Home / 11,276.28-15,560.73-6,240.42

Finding the Fourth Proportional to 11,276.28, 15,560.73 and 6,240.42

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Solution

The fourth proportional to 11,276.28, 15,560.73 and 6,240.42 is: 8,611.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,276.28 : 15,560.73 = 6,240.42 : x
  2. Step 2: Convert to fraction form
    11,276.28/15,560.73 = 6,240.42/x
  3. Step 3: Cross multiply
    11,276.28x = 15,560.73 × 6,240.42
  4. Step 4: Simplify right side
    11,276.28x = 97,105,490.71
  5. Step 5: Solve for x
    x = 97,105,490.71/11,276.28
  6. Step 6: Final answer
    x = 8,611.48

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Double scale
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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.