Home / 14,734.10-20,331.39-8,683.95

Finding the Fourth Proportional to 14,734.10, 20,331.39 and 8,683.95

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Solution

The fourth proportional to 14,734.10, 20,331.39 and 8,683.95 is: 11,982.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,734.10 : 20,331.39 = 8,683.95 : x
  2. Step 2: Convert to fraction form
    14,734.10/20,331.39 = 8,683.95/x
  3. Step 3: Cross multiply
    14,734.10x = 20,331.39 × 8,683.95
  4. Step 4: Simplify right side
    14,734.10x = 176,556,672.53
  5. Step 5: Solve for x
    x = 176,556,672.53/14,734.10
  6. Step 6: Final answer
    x = 11,982.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.