Home / 18,440.40-25,446.24-10,480.80

Finding the Fourth Proportional to 18,440.40, 25,446.24 and 10,480.80

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Solution

The fourth proportional to 18,440.40, 25,446.24 and 10,480.80 is: 14,462.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,440.40 : 25,446.24 = 10,480.80 : x
  2. Step 2: Convert to fraction form
    18,440.40/25,446.24 = 10,480.80/x
  3. Step 3: Cross multiply
    18,440.40x = 25,446.24 × 10,480.80
  4. Step 4: Simplify right side
    18,440.40x = 266,696,952.19
  5. Step 5: Solve for x
    x = 266,696,952.19/18,440.40
  6. Step 6: Final answer
    x = 14,462.64

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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.