Home / 12,304.64-18,459.70-3,538.92

Finding the Fourth Proportional to 12,304.64, 18,459.70 and 3,538.92

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Solution

The fourth proportional to 12,304.64, 18,459.70 and 3,538.92 is: 5,309.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,304.64 : 18,459.70 = 3,538.92 : x
  2. Step 2: Convert to fraction form
    12,304.64/18,459.70 = 3,538.92/x
  3. Step 3: Cross multiply
    12,304.64x = 18,459.70 × 3,538.92
  4. Step 4: Simplify right side
    12,304.64x = 65,327,461.90
  5. Step 5: Solve for x
    x = 65,327,461.90/12,304.64
  6. Step 6: Final answer
    x = 5,309.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.