Home / 18,437.39-27,630.85-13,930.74

Finding the Fourth Proportional to 18,437.39, 27,630.85 and 13,930.74

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Solution

The fourth proportional to 18,437.39, 27,630.85 and 13,930.74 is: 20,877.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,437.39 : 27,630.85 = 13,930.74 : x
  2. Step 2: Convert to fraction form
    18,437.39/27,630.85 = 13,930.74/x
  3. Step 3: Cross multiply
    18,437.39x = 27,630.85 × 13,930.74
  4. Step 4: Simplify right side
    18,437.39x = 384,918,221.58
  5. Step 5: Solve for x
    x = 384,918,221.58/18,437.39
  6. Step 6: Final answer
    x = 20,877.05

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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.