Home / 19,487.71-29,234.65-8,397.57

Finding the Fourth Proportional to 19,487.71, 29,234.65 and 8,397.57

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Solution

The fourth proportional to 19,487.71, 29,234.65 and 8,397.57 is: 12,597.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,487.71 : 29,234.65 = 8,397.57 : x
  2. Step 2: Convert to fraction form
    19,487.71/29,234.65 = 8,397.57/x
  3. Step 3: Cross multiply
    19,487.71x = 29,234.65 × 8,397.57
  4. Step 4: Simplify right side
    19,487.71x = 245,500,019.80
  5. Step 5: Solve for x
    x = 245,500,019.80/19,487.71
  6. Step 6: Final answer
    x = 12,597.68

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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.