Home / 15,552.52-21,462.42-9,179.16

Finding the Fourth Proportional to 15,552.52, 21,462.42 and 9,179.16

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Solution

The fourth proportional to 15,552.52, 21,462.42 and 9,179.16 is: 12,667.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,552.52 : 21,462.42 = 9,179.16 : x
  2. Step 2: Convert to fraction form
    15,552.52/21,462.42 = 9,179.16/x
  3. Step 3: Cross multiply
    15,552.52x = 21,462.42 × 9,179.16
  4. Step 4: Simplify right side
    15,552.52x = 197,006,987.17
  5. Step 5: Solve for x
    x = 197,006,987.17/15,552.52
  6. Step 6: Final answer
    x = 12,667.21

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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.