Home / 13,677.95-20,508.70-5,348.03

Finding the Fourth Proportional to 13,677.95, 20,508.70 and 5,348.03

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Solution

The fourth proportional to 13,677.95, 20,508.70 and 5,348.03 is: 8,018.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,677.95 : 20,508.70 = 5,348.03 : x
  2. Step 2: Convert to fraction form
    13,677.95/20,508.70 = 5,348.03/x
  3. Step 3: Cross multiply
    13,677.95x = 20,508.70 × 5,348.03
  4. Step 4: Simplify right side
    13,677.95x = 109,681,180.76
  5. Step 5: Solve for x
    x = 109,681,180.76/13,677.95
  6. Step 6: Final answer
    x = 8,018.83

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1.5x scale

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.