Home / 10,216.43-15,316.85-5,282.92

Finding the Fourth Proportional to 10,216.43, 15,316.85 and 5,282.92

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Solution

The fourth proportional to 10,216.43, 15,316.85 and 5,282.92 is: 7,920.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,216.43 : 15,316.85 = 5,282.92 : x
  2. Step 2: Convert to fraction form
    10,216.43/15,316.85 = 5,282.92/x
  3. Step 3: Cross multiply
    10,216.43x = 15,316.85 × 5,282.92
  4. Step 4: Simplify right side
    10,216.43x = 80,917,590.20
  5. Step 5: Solve for x
    x = 80,917,590.20/10,216.43
  6. Step 6: Final answer
    x = 7,920.34

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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.