Home / 13,499.40-20,259.48-8,818.14

Finding the Fourth Proportional to 13,499.40, 20,259.48 and 8,818.14

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Solution

The fourth proportional to 13,499.40, 20,259.48 and 8,818.14 is: 13,233.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,499.40 : 20,259.48 = 8,818.14 : x
  2. Step 2: Convert to fraction form
    13,499.40/20,259.48 = 8,818.14/x
  3. Step 3: Cross multiply
    13,499.40x = 20,259.48 × 8,818.14
  4. Step 4: Simplify right side
    13,499.40x = 178,650,930.97
  5. Step 5: Solve for x
    x = 178,650,930.97/13,499.40
  6. Step 6: Final answer
    x = 13,233.99

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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.