Home / 12,342.08-17,032.32-6,753.44

Finding the Fourth Proportional to 12,342.08, 17,032.32 and 6,753.44

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Solution

The fourth proportional to 12,342.08, 17,032.32 and 6,753.44 is: 9,319.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,342.08 : 17,032.32 = 6,753.44 : x
  2. Step 2: Convert to fraction form
    12,342.08/17,032.32 = 6,753.44/x
  3. Step 3: Cross multiply
    12,342.08x = 17,032.32 × 6,753.44
  4. Step 4: Simplify right side
    12,342.08x = 115,026,751.18
  5. Step 5: Solve for x
    x = 115,026,751.18/12,342.08
  6. Step 6: Final answer
    x = 9,319.88

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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.