Home / 18,423.48-27,641.70-7,336.20

Finding the Fourth Proportional to 18,423.48, 27,641.70 and 7,336.20

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Solution

The fourth proportional to 18,423.48, 27,641.70 and 7,336.20 is: 11,006.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,423.48 : 27,641.70 = 7,336.20 : x
  2. Step 2: Convert to fraction form
    18,423.48/27,641.70 = 7,336.20/x
  3. Step 3: Cross multiply
    18,423.48x = 27,641.70 × 7,336.20
  4. Step 4: Simplify right side
    18,423.48x = 202,785,039.54
  5. Step 5: Solve for x
    x = 202,785,039.54/18,423.48
  6. Step 6: Final answer
    x = 11,006.88

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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.