Home / 10,726.59-16,077.96-4,147.32

Finding the Fourth Proportional to 10,726.59, 16,077.96 and 4,147.32

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Solution

The fourth proportional to 10,726.59, 16,077.96 and 4,147.32 is: 6,216.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,726.59 : 16,077.96 = 4,147.32 : x
  2. Step 2: Convert to fraction form
    10,726.59/16,077.96 = 4,147.32/x
  3. Step 3: Cross multiply
    10,726.59x = 16,077.96 × 4,147.32
  4. Step 4: Simplify right side
    10,726.59x = 66,680,445.07
  5. Step 5: Solve for x
    x = 66,680,445.07/10,726.59
  6. Step 6: Final answer
    x = 6,216.37

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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.