Home / 10,513.43-15,770.15-3,587.75

Finding the Fourth Proportional to 10,513.43, 15,770.15 and 3,587.75

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Solution

The fourth proportional to 10,513.43, 15,770.15 and 3,587.75 is: 5,381.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,513.43 : 15,770.15 = 3,587.75 : x
  2. Step 2: Convert to fraction form
    10,513.43/15,770.15 = 3,587.75/x
  3. Step 3: Cross multiply
    10,513.43x = 15,770.15 × 3,587.75
  4. Step 4: Simplify right side
    10,513.43x = 56,579,337.72
  5. Step 5: Solve for x
    x = 56,579,337.72/10,513.43
  6. Step 6: Final answer
    x = 5,381.63

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.