Home / 10,002.08-15,001.58-3,426.76

Finding the Fourth Proportional to 10,002.08, 15,001.58 and 3,426.76

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Solution

The fourth proportional to 10,002.08, 15,001.58 and 3,426.76 is: 5,139.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,002.08 : 15,001.58 = 3,426.76 : x
  2. Step 2: Convert to fraction form
    10,002.08/15,001.58 = 3,426.76/x
  3. Step 3: Cross multiply
    10,002.08x = 15,001.58 × 3,426.76
  4. Step 4: Simplify right side
    10,002.08x = 51,406,814.28
  5. Step 5: Solve for x
    x = 51,406,814.28/10,002.08
  6. Step 6: Final answer
    x = 5,139.61

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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.