Home / 65,213.10-97,819.65-15,965.10

Finding the Fourth Proportional to 65,213.10, 97,819.65 and 15,965.10

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Solution

The fourth proportional to 65,213.10, 97,819.65 and 15,965.10 is: 23,947.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,213.10 : 97,819.65 = 15,965.10 : x
  2. Step 2: Convert to fraction form
    65,213.10/97,819.65 = 15,965.10/x
  3. Step 3: Cross multiply
    65,213.10x = 97,819.65 × 15,965.10
  4. Step 4: Simplify right side
    65,213.10x = 1,561,700,494.22
  5. Step 5: Solve for x
    x = 1,561,700,494.22/65,213.10
  6. Step 6: Final answer
    x = 23,947.65

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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.