Home / 14,343.20-21,514.20-4,985.33

Finding the Fourth Proportional to 14,343.20, 21,514.20 and 4,985.33

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Solution

The fourth proportional to 14,343.20, 21,514.20 and 4,985.33 is: 7,477.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,343.20 : 21,514.20 = 4,985.33 : x
  2. Step 2: Convert to fraction form
    14,343.20/21,514.20 = 4,985.33/x
  3. Step 3: Cross multiply
    14,343.20x = 21,514.20 × 4,985.33
  4. Step 4: Simplify right side
    14,343.20x = 107,255,279.12
  5. Step 5: Solve for x
    x = 107,255,279.12/14,343.20
  6. Step 6: Final answer
    x = 7,477.78

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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.