Home / 22,463.29-30,999.70-12,391.55

Finding the Fourth Proportional to 22,463.29, 30,999.70 and 12,391.55

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Solution

The fourth proportional to 22,463.29, 30,999.70 and 12,391.55 is: 17,100.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,463.29 : 30,999.70 = 12,391.55 : x
  2. Step 2: Convert to fraction form
    22,463.29/30,999.70 = 12,391.55/x
  3. Step 3: Cross multiply
    22,463.29x = 30,999.70 × 12,391.55
  4. Step 4: Simplify right side
    22,463.29x = 384,134,332.54
  5. Step 5: Solve for x
    x = 384,134,332.54/22,463.29
  6. Step 6: Final answer
    x = 17,100.54

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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.