Home / 22,262.24-30,722.29-15,190.94

Finding the Fourth Proportional to 22,262.24, 30,722.29 and 15,190.94

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Solution

The fourth proportional to 22,262.24, 30,722.29 and 15,190.94 is: 20,963.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,262.24 : 30,722.29 = 15,190.94 : x
  2. Step 2: Convert to fraction form
    22,262.24/30,722.29 = 15,190.94/x
  3. Step 3: Cross multiply
    22,262.24x = 30,722.29 × 15,190.94
  4. Step 4: Simplify right side
    22,262.24x = 466,700,502.88
  5. Step 5: Solve for x
    x = 466,700,502.88/22,262.24
  6. Step 6: Final answer
    x = 20,963.77

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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.