Home / 13,335.59-20,043.87-8,908.96

Finding the Fourth Proportional to 13,335.59, 20,043.87 and 8,908.96

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Solution

The fourth proportional to 13,335.59, 20,043.87 and 8,908.96 is: 13,390.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,335.59 : 20,043.87 = 8,908.96 : x
  2. Step 2: Convert to fraction form
    13,335.59/20,043.87 = 8,908.96/x
  3. Step 3: Cross multiply
    13,335.59x = 20,043.87 × 8,908.96
  4. Step 4: Simplify right side
    13,335.59x = 178,569,985.97
  5. Step 5: Solve for x
    x = 178,569,985.97/13,335.59
  6. Step 6: Final answer
    x = 13,390.49

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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.