Home / 10,125.77-15,192.07-6,380.36

Finding the Fourth Proportional to 10,125.77, 15,192.07 and 6,380.36

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Solution

The fourth proportional to 10,125.77, 15,192.07 and 6,380.36 is: 9,572.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,125.77 : 15,192.07 = 6,380.36 : x
  2. Step 2: Convert to fraction form
    10,125.77/15,192.07 = 6,380.36/x
  3. Step 3: Cross multiply
    10,125.77x = 15,192.07 × 6,380.36
  4. Step 4: Simplify right side
    10,125.77x = 96,930,875.75
  5. Step 5: Solve for x
    x = 96,930,875.75/10,125.77
  6. Step 6: Final answer
    x = 9,572.69

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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.