Home / 12,387.26-17,077.56-8,844.32

Finding the Fourth Proportional to 12,387.26, 17,077.56 and 8,844.32

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Solution

The fourth proportional to 12,387.26, 17,077.56 and 8,844.32 is: 12,193.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,387.26 : 17,077.56 = 8,844.32 : x
  2. Step 2: Convert to fraction form
    12,387.26/17,077.56 = 8,844.32/x
  3. Step 3: Cross multiply
    12,387.26x = 17,077.56 × 8,844.32
  4. Step 4: Simplify right side
    12,387.26x = 151,039,405.46
  5. Step 5: Solve for x
    x = 151,039,405.46/12,387.26
  6. Step 6: Final answer
    x = 12,193.12

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1.5x scale

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.