Home / 10,279.20-14,183.52-5,802.40

Finding the Fourth Proportional to 10,279.20, 14,183.52 and 5,802.40

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Solution

The fourth proportional to 10,279.20, 14,183.52 and 5,802.40 is: 8,006.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,279.20 : 14,183.52 = 5,802.40 : x
  2. Step 2: Convert to fraction form
    10,279.20/14,183.52 = 5,802.40/x
  3. Step 3: Cross multiply
    10,279.20x = 14,183.52 × 5,802.40
  4. Step 4: Simplify right side
    10,279.20x = 82,298,456.45
  5. Step 5: Solve for x
    x = 82,298,456.45/10,279.20
  6. Step 6: Final answer
    x = 8,006.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.