Home / 22,518.22-31,040.94-14,951.20

Finding the Fourth Proportional to 22,518.22, 31,040.94 and 14,951.20

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Solution

The fourth proportional to 22,518.22, 31,040.94 and 14,951.20 is: 20,609.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,518.22 : 31,040.94 = 14,951.20 : x
  2. Step 2: Convert to fraction form
    22,518.22/31,040.94 = 14,951.20/x
  3. Step 3: Cross multiply
    22,518.22x = 31,040.94 × 14,951.20
  4. Step 4: Simplify right side
    22,518.22x = 464,099,302.13
  5. Step 5: Solve for x
    x = 464,099,302.13/22,518.22
  6. Step 6: Final answer
    x = 20,609.95

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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.