Home / 15,437.62-23,187.43-9,209.78

Finding the Fourth Proportional to 15,437.62, 23,187.43 and 9,209.78

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Solution

The fourth proportional to 15,437.62, 23,187.43 and 9,209.78 is: 13,833.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,437.62 : 23,187.43 = 9,209.78 : x
  2. Step 2: Convert to fraction form
    15,437.62/23,187.43 = 9,209.78/x
  3. Step 3: Cross multiply
    15,437.62x = 23,187.43 × 9,209.78
  4. Step 4: Simplify right side
    15,437.62x = 213,551,242.02
  5. Step 5: Solve for x
    x = 213,551,242.02/15,437.62
  6. Step 6: Final answer
    x = 13,833.17

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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.