Home / 11,274.73-15,560.78-6,493.74

Finding the Fourth Proportional to 11,274.73, 15,560.78 and 6,493.74

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Solution

The fourth proportional to 11,274.73, 15,560.78 and 6,493.74 is: 8,962.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,274.73 : 15,560.78 = 6,493.74 : x
  2. Step 2: Convert to fraction form
    11,274.73/15,560.78 = 6,493.74/x
  3. Step 3: Cross multiply
    11,274.73x = 15,560.78 × 6,493.74
  4. Step 4: Simplify right side
    11,274.73x = 101,047,668.40
  5. Step 5: Solve for x
    x = 101,047,668.40/11,274.73
  6. Step 6: Final answer
    x = 8,962.32

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Half scale
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Double scale
Find fourth proportional to 11,275.73, 15,562.16 and 6,494.74
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.