Home / 10,244.70-15,370.68-3,319.20

Finding the Fourth Proportional to 10,244.70, 15,370.68 and 3,319.20

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Solution

The fourth proportional to 10,244.70, 15,370.68 and 3,319.20 is: 4,979.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,244.70 : 15,370.68 = 3,319.20 : x
  2. Step 2: Convert to fraction form
    10,244.70/15,370.68 = 3,319.20/x
  3. Step 3: Cross multiply
    10,244.70x = 15,370.68 × 3,319.20
  4. Step 4: Simplify right side
    10,244.70x = 51,018,361.06
  5. Step 5: Solve for x
    x = 51,018,361.06/10,244.70
  6. Step 6: Final answer
    x = 4,979.98

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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.