Home / 13,569.68-20,354.56-6,997.80

Finding the Fourth Proportional to 13,569.68, 20,354.56 and 6,997.80

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Solution

The fourth proportional to 13,569.68, 20,354.56 and 6,997.80 is: 10,496.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,569.68 : 20,354.56 = 6,997.80 : x
  2. Step 2: Convert to fraction form
    13,569.68/20,354.56 = 6,997.80/x
  3. Step 3: Cross multiply
    13,569.68x = 20,354.56 × 6,997.80
  4. Step 4: Simplify right side
    13,569.68x = 142,437,139.97
  5. Step 5: Solve for x
    x = 142,437,139.97/13,569.68
  6. Step 6: Final answer
    x = 10,496.72

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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.