Home / 23,120.92-31,906.74-12,510.32

Finding the Fourth Proportional to 23,120.92, 31,906.74 and 12,510.32

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Solution

The fourth proportional to 23,120.92, 31,906.74 and 12,510.32 is: 17,264.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,120.92 : 31,906.74 = 12,510.32 : x
  2. Step 2: Convert to fraction form
    23,120.92/31,906.74 = 12,510.32/x
  3. Step 3: Cross multiply
    23,120.92x = 31,906.74 × 12,510.32
  4. Step 4: Simplify right side
    23,120.92x = 399,163,527.56
  5. Step 5: Solve for x
    x = 399,163,527.56/23,120.92
  6. Step 6: Final answer
    x = 17,264.17

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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.