Home / 14,514.18-21,780.98-5,280.18

Finding the Fourth Proportional to 14,514.18, 21,780.98 and 5,280.18

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Solution

The fourth proportional to 14,514.18, 21,780.98 and 5,280.18 is: 7,923.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,514.18 : 21,780.98 = 5,280.18 : x
  2. Step 2: Convert to fraction form
    14,514.18/21,780.98 = 5,280.18/x
  3. Step 3: Cross multiply
    14,514.18x = 21,780.98 × 5,280.18
  4. Step 4: Simplify right side
    14,514.18x = 115,007,494.98
  5. Step 5: Solve for x
    x = 115,007,494.98/14,514.18
  6. Step 6: Final answer
    x = 7,923.80

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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.