Home / 14,787.75-22,170.69-8,943.06

Finding the Fourth Proportional to 14,787.75, 22,170.69 and 8,943.06

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Solution

The fourth proportional to 14,787.75, 22,170.69 and 8,943.06 is: 13,407.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,787.75 : 22,170.69 = 8,943.06 : x
  2. Step 2: Convert to fraction form
    14,787.75/22,170.69 = 8,943.06/x
  3. Step 3: Cross multiply
    14,787.75x = 22,170.69 × 8,943.06
  4. Step 4: Simplify right side
    14,787.75x = 198,273,810.91
  5. Step 5: Solve for x
    x = 198,273,810.91/14,787.75
  6. Step 6: Final answer
    x = 13,407.98

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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.