Home / 22,143.74-30,571.07-14,587.29

Finding the Fourth Proportional to 22,143.74, 30,571.07 and 14,587.29

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Solution

The fourth proportional to 22,143.74, 30,571.07 and 14,587.29 is: 20,138.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,143.74 : 30,571.07 = 14,587.29 : x
  2. Step 2: Convert to fraction form
    22,143.74/30,571.07 = 14,587.29/x
  3. Step 3: Cross multiply
    22,143.74x = 30,571.07 × 14,587.29
  4. Step 4: Simplify right side
    22,143.74x = 445,948,990.76
  5. Step 5: Solve for x
    x = 445,948,990.76/22,143.74
  6. Step 6: Final answer
    x = 20,138.83

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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.