Home / 23,122.92-34,689.50-12,729.32

Finding the Fourth Proportional to 23,122.92, 34,689.50 and 12,729.32

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Solution

The fourth proportional to 23,122.92, 34,689.50 and 12,729.32 is: 19,096.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,122.92 : 34,689.50 = 12,729.32 : x
  2. Step 2: Convert to fraction form
    23,122.92/34,689.50 = 12,729.32/x
  3. Step 3: Cross multiply
    23,122.92x = 34,689.50 × 12,729.32
  4. Step 4: Simplify right side
    23,122.92x = 441,573,746.14
  5. Step 5: Solve for x
    x = 441,573,746.14/23,122.92
  6. Step 6: Final answer
    x = 19,096.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.