Home / 21,942.10-32,894.61-8,787.26

Finding the Fourth Proportional to 21,942.10, 32,894.61 and 8,787.26

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Solution

The fourth proportional to 21,942.10, 32,894.61 and 8,787.26 is: 13,173.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,942.10 : 32,894.61 = 8,787.26 : x
  2. Step 2: Convert to fraction form
    21,942.10/32,894.61 = 8,787.26/x
  3. Step 3: Cross multiply
    21,942.10x = 32,894.61 × 8,787.26
  4. Step 4: Simplify right side
    21,942.10x = 289,053,490.67
  5. Step 5: Solve for x
    x = 289,053,490.67/21,942.10
  6. Step 6: Final answer
    x = 13,173.47

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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.