Home / 23,159.55-31,960.14-12,549.18

Finding the Fourth Proportional to 23,159.55, 31,960.14 and 12,549.18

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Solution

The fourth proportional to 23,159.55, 31,960.14 and 12,549.18 is: 17,317.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,159.55 : 31,960.14 = 12,549.18 : x
  2. Step 2: Convert to fraction form
    23,159.55/31,960.14 = 12,549.18/x
  3. Step 3: Cross multiply
    23,159.55x = 31,960.14 × 12,549.18
  4. Step 4: Simplify right side
    23,159.55x = 401,073,549.69
  5. Step 5: Solve for x
    x = 401,073,549.69/23,159.55
  6. Step 6: Final answer
    x = 17,317.85

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1.5x scale

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.