Home / 11,520.33-15,898.35-6,484.71

Finding the Fourth Proportional to 11,520.33, 15,898.35 and 6,484.71

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Solution

The fourth proportional to 11,520.33, 15,898.35 and 6,484.71 is: 8,949.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,520.33 : 15,898.35 = 6,484.71 : x
  2. Step 2: Convert to fraction form
    11,520.33/15,898.35 = 6,484.71/x
  3. Step 3: Cross multiply
    11,520.33x = 15,898.35 × 6,484.71
  4. Step 4: Simplify right side
    11,520.33x = 103,096,189.23
  5. Step 5: Solve for x
    x = 103,096,189.23/11,520.33
  6. Step 6: Final answer
    x = 8,949.07

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Double scale
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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.