Home / 19,630.80-29,444.04-9,241.20

Finding the Fourth Proportional to 19,630.80, 29,444.04 and 9,241.20

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Solution

The fourth proportional to 19,630.80, 29,444.04 and 9,241.20 is: 13,860.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,630.80 : 29,444.04 = 9,241.20 : x
  2. Step 2: Convert to fraction form
    19,630.80/29,444.04 = 9,241.20/x
  3. Step 3: Cross multiply
    19,630.80x = 29,444.04 × 9,241.20
  4. Step 4: Simplify right side
    19,630.80x = 272,098,262.45
  5. Step 5: Solve for x
    x = 272,098,262.45/19,630.80
  6. Step 6: Final answer
    x = 13,860.78

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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.