Home / 10,002.10-15,003.15-4,458.10

Finding the Fourth Proportional to 10,002.10, 15,003.15 and 4,458.10

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Solution

The fourth proportional to 10,002.10, 15,003.15 and 4,458.10 is: 6,687.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,002.10 : 15,003.15 = 4,458.10 : x
  2. Step 2: Convert to fraction form
    10,002.10/15,003.15 = 4,458.10/x
  3. Step 3: Cross multiply
    10,002.10x = 15,003.15 × 4,458.10
  4. Step 4: Simplify right side
    10,002.10x = 66,885,543.02
  5. Step 5: Solve for x
    x = 66,885,543.02/10,002.10
  6. Step 6: Final answer
    x = 6,687.15

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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.