Home / 20,088.82-30,125.53-6,937.66

Finding the Fourth Proportional to 20,088.82, 30,125.53 and 6,937.66

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Solution

The fourth proportional to 20,088.82, 30,125.53 and 6,937.66 is: 10,403.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,088.82 : 30,125.53 = 6,937.66 : x
  2. Step 2: Convert to fraction form
    20,088.82/30,125.53 = 6,937.66/x
  3. Step 3: Cross multiply
    20,088.82x = 30,125.53 × 6,937.66
  4. Step 4: Simplify right side
    20,088.82x = 209,000,684.46
  5. Step 5: Solve for x
    x = 209,000,684.46/20,088.82
  6. Step 6: Final answer
    x = 10,403.83

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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.