Home / 13,371.38-20,056.11-5,580.19

Finding the Fourth Proportional to 13,371.38, 20,056.11 and 5,580.19

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Solution

The fourth proportional to 13,371.38, 20,056.11 and 5,580.19 is: 8,369.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,371.38 : 20,056.11 = 5,580.19 : x
  2. Step 2: Convert to fraction form
    13,371.38/20,056.11 = 5,580.19/x
  3. Step 3: Cross multiply
    13,371.38x = 20,056.11 × 5,580.19
  4. Step 4: Simplify right side
    13,371.38x = 111,916,908.61
  5. Step 5: Solve for x
    x = 111,916,908.61/13,371.38
  6. Step 6: Final answer
    x = 8,369.89

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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.