Home / 14,554.80-21,826.80-5,787.90

Finding the Fourth Proportional to 14,554.80, 21,826.80 and 5,787.90

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Solution

The fourth proportional to 14,554.80, 21,826.80 and 5,787.90 is: 8,679.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,554.80 : 21,826.80 = 5,787.90 : x
  2. Step 2: Convert to fraction form
    14,554.80/21,826.80 = 5,787.90/x
  3. Step 3: Cross multiply
    14,554.80x = 21,826.80 × 5,787.90
  4. Step 4: Simplify right side
    14,554.80x = 126,331,335.72
  5. Step 5: Solve for x
    x = 126,331,335.72/14,554.80
  6. Step 6: Final answer
    x = 8,679.70

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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.