Home / 10,002.13-15,009.83-4,158.73

Finding the Fourth Proportional to 10,002.13, 15,009.83 and 4,158.73

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Solution

The fourth proportional to 10,002.13, 15,009.83 and 4,158.73 is: 6,240.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,002.13 : 15,009.83 = 4,158.73 : x
  2. Step 2: Convert to fraction form
    10,002.13/15,009.83 = 4,158.73/x
  3. Step 3: Cross multiply
    10,002.13x = 15,009.83 × 4,158.73
  4. Step 4: Simplify right side
    10,002.13x = 62,421,830.32
  5. Step 5: Solve for x
    x = 62,421,830.32/10,002.13
  6. Step 6: Final answer
    x = 6,240.85

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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.