Home / 10,055.88-15,059.20-5,127.84

Finding the Fourth Proportional to 10,055.88, 15,059.20 and 5,127.84

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Solution

The fourth proportional to 10,055.88, 15,059.20 and 5,127.84 is: 7,679.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,055.88 : 15,059.20 = 5,127.84 : x
  2. Step 2: Convert to fraction form
    10,055.88/15,059.20 = 5,127.84/x
  3. Step 3: Cross multiply
    10,055.88x = 15,059.20 × 5,127.84
  4. Step 4: Simplify right side
    10,055.88x = 77,221,168.13
  5. Step 5: Solve for x
    x = 77,221,168.13/10,055.88
  6. Step 6: Final answer
    x = 7,679.21

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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.