Home / 15,248.90-21,046.76-9,282.50

Finding the Fourth Proportional to 15,248.90, 21,046.76 and 9,282.50

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Solution

The fourth proportional to 15,248.90, 21,046.76 and 9,282.50 is: 12,811.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,248.90 : 21,046.76 = 9,282.50 : x
  2. Step 2: Convert to fraction form
    15,248.90/21,046.76 = 9,282.50/x
  3. Step 3: Cross multiply
    15,248.90x = 21,046.76 × 9,282.50
  4. Step 4: Simplify right side
    15,248.90x = 195,366,549.70
  5. Step 5: Solve for x
    x = 195,366,549.70/15,248.90
  6. Step 6: Final answer
    x = 12,811.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.