Home / 23,120.66-31,906.34-12,510.14

Finding the Fourth Proportional to 23,120.66, 31,906.34 and 12,510.14

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Solution

The fourth proportional to 23,120.66, 31,906.34 and 12,510.14 is: 17,263.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,120.66 : 31,906.34 = 12,510.14 : x
  2. Step 2: Convert to fraction form
    23,120.66/31,906.34 = 12,510.14/x
  3. Step 3: Cross multiply
    23,120.66x = 31,906.34 × 12,510.14
  4. Step 4: Simplify right side
    23,120.66x = 399,152,780.29
  5. Step 5: Solve for x
    x = 399,152,780.29/23,120.66
  6. Step 6: Final answer
    x = 17,263.90

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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.