Home / 18,948.28-26,140.98-12,577.96

Finding the Fourth Proportional to 18,948.28, 26,140.98 and 12,577.96

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Solution

The fourth proportional to 18,948.28, 26,140.98 and 12,577.96 is: 17,352.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,948.28 : 26,140.98 = 12,577.96 : x
  2. Step 2: Convert to fraction form
    18,948.28/26,140.98 = 12,577.96/x
  3. Step 3: Cross multiply
    18,948.28x = 26,140.98 × 12,577.96
  4. Step 4: Simplify right side
    18,948.28x = 328,800,200.80
  5. Step 5: Solve for x
    x = 328,800,200.80/18,948.28
  6. Step 6: Final answer
    x = 17,352.51

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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.