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Finding the Fourth Proportional to 10,206.71, 15,312.90 and 5,827.24

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Solution

The fourth proportional to 10,206.71, 15,312.90 and 5,827.24 is: 8,742.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,206.71 : 15,312.90 = 5,827.24 : x
  2. Step 2: Convert to fraction form
    10,206.71/15,312.90 = 5,827.24/x
  3. Step 3: Cross multiply
    10,206.71x = 15,312.90 × 5,827.24
  4. Step 4: Simplify right side
    10,206.71x = 89,231,951.61
  5. Step 5: Solve for x
    x = 89,231,951.61/10,206.71
  6. Step 6: Final answer
    x = 8,742.48

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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.