Home / 23,112.10-31,906.13-14,621.70

Finding the Fourth Proportional to 23,112.10, 31,906.13 and 14,621.70

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Solution

The fourth proportional to 23,112.10, 31,906.13 and 14,621.70 is: 20,185.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,112.10 : 31,906.13 = 14,621.70 : x
  2. Step 2: Convert to fraction form
    23,112.10/31,906.13 = 14,621.70/x
  3. Step 3: Cross multiply
    23,112.10x = 31,906.13 × 14,621.70
  4. Step 4: Simplify right side
    23,112.10x = 466,521,861.02
  5. Step 5: Solve for x
    x = 466,521,861.02/23,112.10
  6. Step 6: Final answer
    x = 20,185.18

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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.