Home / 19,491.90-29,218.65-9,632.70

Finding the Fourth Proportional to 19,491.90, 29,218.65 and 9,632.70

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Solution

The fourth proportional to 19,491.90, 29,218.65 and 9,632.70 is: 14,439.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,491.90 : 29,218.65 = 9,632.70 : x
  2. Step 2: Convert to fraction form
    19,491.90/29,218.65 = 9,632.70/x
  3. Step 3: Cross multiply
    19,491.90x = 29,218.65 × 9,632.70
  4. Step 4: Simplify right side
    19,491.90x = 281,454,489.86
  5. Step 5: Solve for x
    x = 281,454,489.86/19,491.90
  6. Step 6: Final answer
    x = 14,439.56

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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.