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Finding the Fourth Proportional to 12,342.48, 17,032.80 and 7,037.82

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Solution

The fourth proportional to 12,342.48, 17,032.80 and 7,037.82 is: 9,712.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,342.48 : 17,032.80 = 7,037.82 : x
  2. Step 2: Convert to fraction form
    12,342.48/17,032.80 = 7,037.82/x
  3. Step 3: Cross multiply
    12,342.48x = 17,032.80 × 7,037.82
  4. Step 4: Simplify right side
    12,342.48x = 119,873,780.50
  5. Step 5: Solve for x
    x = 119,873,780.50/12,342.48
  6. Step 6: Final answer
    x = 9,712.29

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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.