Home / 13,244.28-19,865.88-6,221.76

Finding the Fourth Proportional to 13,244.28, 19,865.88 and 6,221.76

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Solution

The fourth proportional to 13,244.28, 19,865.88 and 6,221.76 is: 9,332.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,244.28 : 19,865.88 = 6,221.76 : x
  2. Step 2: Convert to fraction form
    13,244.28/19,865.88 = 6,221.76/x
  3. Step 3: Cross multiply
    13,244.28x = 19,865.88 × 6,221.76
  4. Step 4: Simplify right side
    13,244.28x = 123,600,737.55
  5. Step 5: Solve for x
    x = 123,600,737.55/13,244.28
  6. Step 6: Final answer
    x = 9,332.39

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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.