Home / 12,432.17-17,134.79-9,069.45

Finding the Fourth Proportional to 12,432.17, 17,134.79 and 9,069.45

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Solution

The fourth proportional to 12,432.17, 17,134.79 and 9,069.45 is: 12,500.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,432.17 : 17,134.79 = 9,069.45 : x
  2. Step 2: Convert to fraction form
    12,432.17/17,134.79 = 9,069.45/x
  3. Step 3: Cross multiply
    12,432.17x = 17,134.79 × 9,069.45
  4. Step 4: Simplify right side
    12,432.17x = 155,403,075.82
  5. Step 5: Solve for x
    x = 155,403,075.82/12,432.17
  6. Step 6: Final answer
    x = 12,500.08

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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.