Home / 14,399.48-21,665.10-8,560.46

Finding the Fourth Proportional to 14,399.48, 21,665.10 and 8,560.46

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Solution

The fourth proportional to 14,399.48, 21,665.10 and 8,560.46 is: 12,879.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,399.48 : 21,665.10 = 8,560.46 : x
  2. Step 2: Convert to fraction form
    14,399.48/21,665.10 = 8,560.46/x
  3. Step 3: Cross multiply
    14,399.48x = 21,665.10 × 8,560.46
  4. Step 4: Simplify right side
    14,399.48x = 185,463,221.95
  5. Step 5: Solve for x
    x = 185,463,221.95/14,399.48
  6. Step 6: Final answer
    x = 12,879.86

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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.