Home / 10,035.12-15,045.31-6,142.26

Finding the Fourth Proportional to 10,035.12, 15,045.31 and 6,142.26

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Solution

The fourth proportional to 10,035.12, 15,045.31 and 6,142.26 is: 9,208.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,035.12 : 15,045.31 = 6,142.26 : x
  2. Step 2: Convert to fraction form
    10,035.12/15,045.31 = 6,142.26/x
  3. Step 3: Cross multiply
    10,035.12x = 15,045.31 × 6,142.26
  4. Step 4: Simplify right side
    10,035.12x = 92,412,205.80
  5. Step 5: Solve for x
    x = 92,412,205.80/10,035.12
  6. Step 6: Final answer
    x = 9,208.88

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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.