Home / 13,546.03-18,691.95-7,577.55

Finding the Fourth Proportional to 13,546.03, 18,691.95 and 7,577.55

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Solution

The fourth proportional to 13,546.03, 18,691.95 and 7,577.55 is: 10,456.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,546.03 : 18,691.95 = 7,577.55 : x
  2. Step 2: Convert to fraction form
    13,546.03/18,691.95 = 7,577.55/x
  3. Step 3: Cross multiply
    13,546.03x = 18,691.95 × 7,577.55
  4. Step 4: Simplify right side
    13,546.03x = 141,639,185.72
  5. Step 5: Solve for x
    x = 141,639,185.72/13,546.03
  6. Step 6: Final answer
    x = 10,456.14

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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.