Home / 13,366.56-20,045.50-9,677.28

Finding the Fourth Proportional to 13,366.56, 20,045.50 and 9,677.28

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Solution

The fourth proportional to 13,366.56, 20,045.50 and 9,677.28 is: 14,512.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,366.56 : 20,045.50 = 9,677.28 : x
  2. Step 2: Convert to fraction form
    13,366.56/20,045.50 = 9,677.28/x
  3. Step 3: Cross multiply
    13,366.56x = 20,045.50 × 9,677.28
  4. Step 4: Simplify right side
    13,366.56x = 193,985,916.24
  5. Step 5: Solve for x
    x = 193,985,916.24/13,366.56
  6. Step 6: Final answer
    x = 14,512.78

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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.