Home / 14,392.20-21,545.10-8,545.80

Finding the Fourth Proportional to 14,392.20, 21,545.10 and 8,545.80

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Solution

The fourth proportional to 14,392.20, 21,545.10 and 8,545.80 is: 12,793.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,392.20 : 21,545.10 = 8,545.80 : x
  2. Step 2: Convert to fraction form
    14,392.20/21,545.10 = 8,545.80/x
  3. Step 3: Cross multiply
    14,392.20x = 21,545.10 × 8,545.80
  4. Step 4: Simplify right side
    14,392.20x = 184,120,115.58
  5. Step 5: Solve for x
    x = 184,120,115.58/14,392.20
  6. Step 6: Final answer
    x = 12,793.05

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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.