Home / 13,248.65-18,279.15-7,941.53

Finding the Fourth Proportional to 13,248.65, 18,279.15 and 7,941.53

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Solution

The fourth proportional to 13,248.65, 18,279.15 and 7,941.53 is: 10,956.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,248.65 : 18,279.15 = 7,941.53 : x
  2. Step 2: Convert to fraction form
    13,248.65/18,279.15 = 7,941.53/x
  3. Step 3: Cross multiply
    13,248.65x = 18,279.15 × 7,941.53
  4. Step 4: Simplify right side
    13,248.65x = 145,164,418.10
  5. Step 5: Solve for x
    x = 145,164,418.10/13,248.65
  6. Step 6: Final answer
    x = 10,956.92

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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.