Home / 10,965.48-16,454.91-5,122.50

Finding the Fourth Proportional to 10,965.48, 16,454.91 and 5,122.50

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Solution

The fourth proportional to 10,965.48, 16,454.91 and 5,122.50 is: 7,686.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,965.48 : 16,454.91 = 5,122.50 : x
  2. Step 2: Convert to fraction form
    10,965.48/16,454.91 = 5,122.50/x
  3. Step 3: Cross multiply
    10,965.48x = 16,454.91 × 5,122.50
  4. Step 4: Simplify right side
    10,965.48x = 84,290,276.48
  5. Step 5: Solve for x
    x = 84,290,276.48/10,965.48
  6. Step 6: Final answer
    x = 7,686.88

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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.