Home / 12,585.12-17,367.96-6,996

Finding the Fourth Proportional to 12,585.12, 17,367.96 and 6,996

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Solution

The fourth proportional to 12,585.12, 17,367.96 and 6,996 is: 9,654.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,585.12 : 17,367.96 = 6,996 : x
  2. Step 2: Convert to fraction form
    12,585.12/17,367.96 = 6,996/x
  3. Step 3: Cross multiply
    12,585.12x = 17,367.96 × 6,996
  4. Step 4: Simplify right side
    12,585.12x = 121,506,248.16
  5. Step 5: Solve for x
    x = 121,506,248.16/12,585.12
  6. Step 6: Final answer
    x = 9,654.75

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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.