Home / 15,387.82-23,081.96-10,156.34

Finding the Fourth Proportional to 15,387.82, 23,081.96 and 10,156.34

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Solution

The fourth proportional to 15,387.82, 23,081.96 and 10,156.34 is: 15,234.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,387.82 : 23,081.96 = 10,156.34 : x
  2. Step 2: Convert to fraction form
    15,387.82/23,081.96 = 10,156.34/x
  3. Step 3: Cross multiply
    15,387.82x = 23,081.96 × 10,156.34
  4. Step 4: Simplify right side
    15,387.82x = 234,428,186.89
  5. Step 5: Solve for x
    x = 234,428,186.89/15,387.82
  6. Step 6: Final answer
    x = 15,234.66

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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.