Home / 14,280.48-21,423.24-5,514.66

Finding the Fourth Proportional to 14,280.48, 21,423.24 and 5,514.66

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Solution

The fourth proportional to 14,280.48, 21,423.24 and 5,514.66 is: 8,272.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,280.48 : 21,423.24 = 5,514.66 : x
  2. Step 2: Convert to fraction form
    14,280.48/21,423.24 = 5,514.66/x
  3. Step 3: Cross multiply
    14,280.48x = 21,423.24 × 5,514.66
  4. Step 4: Simplify right side
    14,280.48x = 118,141,884.70
  5. Step 5: Solve for x
    x = 118,141,884.70/14,280.48
  6. Step 6: Final answer
    x = 8,272.96

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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.