Home / 12,348.74-18,522.92-2,988.68

Finding the Fourth Proportional to 12,348.74, 18,522.92 and 2,988.68

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Solution

The fourth proportional to 12,348.74, 18,522.92 and 2,988.68 is: 4,482.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,348.74 : 18,522.92 = 2,988.68 : x
  2. Step 2: Convert to fraction form
    12,348.74/18,522.92 = 2,988.68/x
  3. Step 3: Cross multiply
    12,348.74x = 18,522.92 × 2,988.68
  4. Step 4: Simplify right side
    12,348.74x = 55,359,080.55
  5. Step 5: Solve for x
    x = 55,359,080.55/12,348.74
  6. Step 6: Final answer
    x = 4,482.97

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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.