Home / 19,545.18-29,281.02-9,672.90

Finding the Fourth Proportional to 19,545.18, 29,281.02 and 9,672.90

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Solution

The fourth proportional to 19,545.18, 29,281.02 and 9,672.90 is: 14,491.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,545.18 : 29,281.02 = 9,672.90 : x
  2. Step 2: Convert to fraction form
    19,545.18/29,281.02 = 9,672.90/x
  3. Step 3: Cross multiply
    19,545.18x = 29,281.02 × 9,672.90
  4. Step 4: Simplify right side
    19,545.18x = 283,232,378.36
  5. Step 5: Solve for x
    x = 283,232,378.36/19,545.18
  6. Step 6: Final answer
    x = 14,491.16

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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.