Home / 18,423.10-27,633.97-5,275.45

Finding the Fourth Proportional to 18,423.10, 27,633.97 and 5,275.45

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Solution

The fourth proportional to 18,423.10, 27,633.97 and 5,275.45 is: 7,912.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,423.10 : 27,633.97 = 5,275.45 : x
  2. Step 2: Convert to fraction form
    18,423.10/27,633.97 = 5,275.45/x
  3. Step 3: Cross multiply
    18,423.10x = 27,633.97 × 5,275.45
  4. Step 4: Simplify right side
    18,423.10x = 145,781,627.04
  5. Step 5: Solve for x
    x = 145,781,627.04/18,423.10
  6. Step 6: Final answer
    x = 7,912.98

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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.