Home / 18,180.28-25,082.58-10,220.80

Finding the Fourth Proportional to 18,180.28, 25,082.58 and 10,220.80

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Solution

The fourth proportional to 18,180.28, 25,082.58 and 10,220.80 is: 14,101.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,180.28 : 25,082.58 = 10,220.80 : x
  2. Step 2: Convert to fraction form
    18,180.28/25,082.58 = 10,220.80/x
  3. Step 3: Cross multiply
    18,180.28x = 25,082.58 × 10,220.80
  4. Step 4: Simplify right side
    18,180.28x = 256,364,033.66
  5. Step 5: Solve for x
    x = 256,364,033.66/18,180.28
  6. Step 6: Final answer
    x = 14,101.21

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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.