Home / 14,514.04-21,780.78-5,153.68

Finding the Fourth Proportional to 14,514.04, 21,780.78 and 5,153.68

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Solution

The fourth proportional to 14,514.04, 21,780.78 and 5,153.68 is: 7,733.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,514.04 : 21,780.78 = 5,153.68 : x
  2. Step 2: Convert to fraction form
    14,514.04/21,780.78 = 5,153.68/x
  3. Step 3: Cross multiply
    14,514.04x = 21,780.78 × 5,153.68
  4. Step 4: Simplify right side
    14,514.04x = 112,251,170.27
  5. Step 5: Solve for x
    x = 112,251,170.27/14,514.04
  6. Step 6: Final answer
    x = 7,733.97

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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.