Home / 22,485.66-31,030.20-12,414.30

Finding the Fourth Proportional to 22,485.66, 31,030.20 and 12,414.30

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Solution

The fourth proportional to 22,485.66, 31,030.20 and 12,414.30 is: 17,131.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,485.66 : 31,030.20 = 12,414.30 : x
  2. Step 2: Convert to fraction form
    22,485.66/31,030.20 = 12,414.30/x
  3. Step 3: Cross multiply
    22,485.66x = 31,030.20 × 12,414.30
  4. Step 4: Simplify right side
    22,485.66x = 385,218,211.86
  5. Step 5: Solve for x
    x = 385,218,211.86/22,485.66
  6. Step 6: Final answer
    x = 17,131.73

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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.