Home / 15,000.90-22,490.55-9,809.70

Finding the Fourth Proportional to 15,000.90, 22,490.55 and 9,809.70

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Solution

The fourth proportional to 15,000.90, 22,490.55 and 9,809.70 is: 14,707.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,000.90 : 22,490.55 = 9,809.70 : x
  2. Step 2: Convert to fraction form
    15,000.90/22,490.55 = 9,809.70/x
  3. Step 3: Cross multiply
    15,000.90x = 22,490.55 × 9,809.70
  4. Step 4: Simplify right side
    15,000.90x = 220,625,548.34
  5. Step 5: Solve for x
    x = 220,625,548.34/15,000.90
  6. Step 6: Final answer
    x = 14,707.49

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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.