Home / 12,732.08-17,569.40-7,066.62

Finding the Fourth Proportional to 12,732.08, 17,569.40 and 7,066.62

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Solution

The fourth proportional to 12,732.08, 17,569.40 and 7,066.62 is: 9,751.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,732.08 : 17,569.40 = 7,066.62 : x
  2. Step 2: Convert to fraction form
    12,732.08/17,569.40 = 7,066.62/x
  3. Step 3: Cross multiply
    12,732.08x = 17,569.40 × 7,066.62
  4. Step 4: Simplify right side
    12,732.08x = 124,156,238.09
  5. Step 5: Solve for x
    x = 124,156,238.09/12,732.08
  6. Step 6: Final answer
    x = 9,751.45

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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.