Home / 10,134.47-13,985.19-6,359.66

Finding the Fourth Proportional to 10,134.47, 13,985.19 and 6,359.66

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Solution

The fourth proportional to 10,134.47, 13,985.19 and 6,359.66 is: 8,776.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,134.47 : 13,985.19 = 6,359.66 : x
  2. Step 2: Convert to fraction form
    10,134.47/13,985.19 = 6,359.66/x
  3. Step 3: Cross multiply
    10,134.47x = 13,985.19 × 6,359.66
  4. Step 4: Simplify right side
    10,134.47x = 88,941,053.44
  5. Step 5: Solve for x
    x = 88,941,053.44/10,134.47
  6. Step 6: Final answer
    x = 8,776.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.