Home / 10,853.60-16,279.68-4,929.08

Finding the Fourth Proportional to 10,853.60, 16,279.68 and 4,929.08

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Solution

The fourth proportional to 10,853.60, 16,279.68 and 4,929.08 is: 7,393.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,853.60 : 16,279.68 = 4,929.08 : x
  2. Step 2: Convert to fraction form
    10,853.60/16,279.68 = 4,929.08/x
  3. Step 3: Cross multiply
    10,853.60x = 16,279.68 × 4,929.08
  4. Step 4: Simplify right side
    10,853.60x = 80,243,845.09
  5. Step 5: Solve for x
    x = 80,243,845.09/10,853.60
  6. Step 6: Final answer
    x = 7,393.29

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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.