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Finding the Fourth Proportional to 12,498.75, 17,248.28 and 6,909.75

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Solution

The fourth proportional to 12,498.75, 17,248.28 and 6,909.75 is: 9,535.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,498.75 : 17,248.28 = 6,909.75 : x
  2. Step 2: Convert to fraction form
    12,498.75/17,248.28 = 6,909.75/x
  3. Step 3: Cross multiply
    12,498.75x = 17,248.28 × 6,909.75
  4. Step 4: Simplify right side
    12,498.75x = 119,181,268.18
  5. Step 5: Solve for x
    x = 119,181,268.18/12,498.75
  6. Step 6: Final answer
    x = 9,535.46

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