Home / 20,036.64-30,057.70-8,347.13

Finding the Fourth Proportional to 20,036.64, 30,057.70 and 8,347.13

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Solution

The fourth proportional to 20,036.64, 30,057.70 and 8,347.13 is: 12,521.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,036.64 : 30,057.70 = 8,347.13 : x
  2. Step 2: Convert to fraction form
    20,036.64/30,057.70 = 8,347.13/x
  3. Step 3: Cross multiply
    20,036.64x = 30,057.70 × 8,347.13
  4. Step 4: Simplify right side
    20,036.64x = 250,895,337.38
  5. Step 5: Solve for x
    x = 250,895,337.38/20,036.64
  6. Step 6: Final answer
    x = 12,521.83

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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.