Home / 18,666.28-25,761.90-10,706.95

Finding the Fourth Proportional to 18,666.28, 25,761.90 and 10,706.95

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Solution

The fourth proportional to 18,666.28, 25,761.90 and 10,706.95 is: 14,776.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,666.28 : 25,761.90 = 10,706.95 : x
  2. Step 2: Convert to fraction form
    18,666.28/25,761.90 = 10,706.95/x
  3. Step 3: Cross multiply
    18,666.28x = 25,761.90 × 10,706.95
  4. Step 4: Simplify right side
    18,666.28x = 275,831,375.21
  5. Step 5: Solve for x
    x = 275,831,375.21/18,666.28
  6. Step 6: Final answer
    x = 14,776.99

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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.