Home / 10,081.88-15,127.76-4,539.14

Finding the Fourth Proportional to 10,081.88, 15,127.76 and 4,539.14

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Solution

The fourth proportional to 10,081.88, 15,127.76 and 4,539.14 is: 6,810.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,081.88 : 15,127.76 = 4,539.14 : x
  2. Step 2: Convert to fraction form
    10,081.88/15,127.76 = 4,539.14/x
  3. Step 3: Cross multiply
    10,081.88x = 15,127.76 × 4,539.14
  4. Step 4: Simplify right side
    10,081.88x = 68,667,020.53
  5. Step 5: Solve for x
    x = 68,667,020.53/10,081.88
  6. Step 6: Final answer
    x = 6,810.93

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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.