Home / 18,403.39-27,602.35-6,713.88

Finding the Fourth Proportional to 18,403.39, 27,602.35 and 6,713.88

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Solution

The fourth proportional to 18,403.39, 27,602.35 and 6,713.88 is: 10,069.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,403.39 : 27,602.35 = 6,713.88 : x
  2. Step 2: Convert to fraction form
    18,403.39/27,602.35 = 6,713.88/x
  3. Step 3: Cross multiply
    18,403.39x = 27,602.35 × 6,713.88
  4. Step 4: Simplify right side
    18,403.39x = 185,318,865.62
  5. Step 5: Solve for x
    x = 185,318,865.62/18,403.39
  6. Step 6: Final answer
    x = 10,069.82

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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.