Home / 10,001.10-15,003.45-4,158.30

Finding the Fourth Proportional to 10,001.10, 15,003.45 and 4,158.30

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Solution

The fourth proportional to 10,001.10, 15,003.45 and 4,158.30 is: 6,238.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,001.10 : 15,003.45 = 4,158.30 : x
  2. Step 2: Convert to fraction form
    10,001.10/15,003.45 = 4,158.30/x
  3. Step 3: Cross multiply
    10,001.10x = 15,003.45 × 4,158.30
  4. Step 4: Simplify right side
    10,001.10x = 62,388,846.14
  5. Step 5: Solve for x
    x = 62,388,846.14/10,001.10
  6. Step 6: Final answer
    x = 6,238.20

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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.