Home / 18,419.12-27,630.72-6,575.66

Finding the Fourth Proportional to 18,419.12, 27,630.72 and 6,575.66

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Solution

The fourth proportional to 18,419.12, 27,630.72 and 6,575.66 is: 9,864.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,419.12 : 27,630.72 = 6,575.66 : x
  2. Step 2: Convert to fraction form
    18,419.12/27,630.72 = 6,575.66/x
  3. Step 3: Cross multiply
    18,419.12x = 27,630.72 × 6,575.66
  4. Step 4: Simplify right side
    18,419.12x = 181,690,220.28
  5. Step 5: Solve for x
    x = 181,690,220.28/18,419.12
  6. Step 6: Final answer
    x = 9,864.22

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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.