Home / 15,011.72-22,517.59-3,918.32

Finding the Fourth Proportional to 15,011.72, 22,517.59 and 3,918.32

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Solution

The fourth proportional to 15,011.72, 22,517.59 and 3,918.32 is: 5,877.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,011.72 : 22,517.59 = 3,918.32 : x
  2. Step 2: Convert to fraction form
    15,011.72/22,517.59 = 3,918.32/x
  3. Step 3: Cross multiply
    15,011.72x = 22,517.59 × 3,918.32
  4. Step 4: Simplify right side
    15,011.72x = 88,231,018.30
  5. Step 5: Solve for x
    x = 88,231,018.30/15,011.72
  6. Step 6: Final answer
    x = 5,877.47

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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.