Home / 10,057.16-15,162.90-9,379.56

Finding the Fourth Proportional to 10,057.16, 15,162.90 and 9,379.56

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Solution

The fourth proportional to 10,057.16, 15,162.90 and 9,379.56 is: 14,141.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,057.16 : 15,162.90 = 9,379.56 : x
  2. Step 2: Convert to fraction form
    10,057.16/15,162.90 = 9,379.56/x
  3. Step 3: Cross multiply
    10,057.16x = 15,162.90 × 9,379.56
  4. Step 4: Simplify right side
    10,057.16x = 142,221,330.32
  5. Step 5: Solve for x
    x = 142,221,330.32/10,057.16
  6. Step 6: Final answer
    x = 14,141.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.