Home / 15,270.24-22,722.44-15,218.40

Finding the Fourth Proportional to 15,270.24, 22,722.44 and 15,218.40

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Solution

The fourth proportional to 15,270.24, 22,722.44 and 15,218.40 is: 22,645.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,270.24 : 22,722.44 = 15,218.40 : x
  2. Step 2: Convert to fraction form
    15,270.24/22,722.44 = 15,218.40/x
  3. Step 3: Cross multiply
    15,270.24x = 22,722.44 × 15,218.40
  4. Step 4: Simplify right side
    15,270.24x = 345,799,180.90
  5. Step 5: Solve for x
    x = 345,799,180.90/15,270.24
  6. Step 6: Final answer
    x = 22,645.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.