Home / 18,348.28-27,503.76-7,239.70

Finding the Fourth Proportional to 18,348.28, 27,503.76 and 7,239.70

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Solution

The fourth proportional to 18,348.28, 27,503.76 and 7,239.70 is: 10,852.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,348.28 : 27,503.76 = 7,239.70 : x
  2. Step 2: Convert to fraction form
    18,348.28/27,503.76 = 7,239.70/x
  3. Step 3: Cross multiply
    18,348.28x = 27,503.76 × 7,239.70
  4. Step 4: Simplify right side
    18,348.28x = 199,118,971.27
  5. Step 5: Solve for x
    x = 199,118,971.27/18,348.28
  6. Step 6: Final answer
    x = 10,852.19

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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.