Home / 12,330.52-18,495.77-11,444.78

Finding the Fourth Proportional to 12,330.52, 18,495.77 and 11,444.78

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Solution

The fourth proportional to 12,330.52, 18,495.77 and 11,444.78 is: 17,167.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,330.52 : 18,495.77 = 11,444.78 : x
  2. Step 2: Convert to fraction form
    12,330.52/18,495.77 = 11,444.78/x
  3. Step 3: Cross multiply
    12,330.52x = 18,495.77 × 11,444.78
  4. Step 4: Simplify right side
    12,330.52x = 211,680,018.58
  5. Step 5: Solve for x
    x = 211,680,018.58/12,330.52
  6. Step 6: Final answer
    x = 17,167.16

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Similar ratio
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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.