Home / 14,545.80-21,813.30-5,778.90

Finding the Fourth Proportional to 14,545.80, 21,813.30 and 5,778.90

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Solution

The fourth proportional to 14,545.80, 21,813.30 and 5,778.90 is: 8,666.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,545.80 : 21,813.30 = 5,778.90 : x
  2. Step 2: Convert to fraction form
    14,545.80/21,813.30 = 5,778.90/x
  3. Step 3: Cross multiply
    14,545.80x = 21,813.30 × 5,778.90
  4. Step 4: Simplify right side
    14,545.80x = 126,056,879.37
  5. Step 5: Solve for x
    x = 126,056,879.37/14,545.80
  6. Step 6: Final answer
    x = 8,666.20

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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.