Home / 10,170.66-15,244.83-5,240.58

Finding the Fourth Proportional to 10,170.66, 15,244.83 and 5,240.58

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Solution

The fourth proportional to 10,170.66, 15,244.83 and 5,240.58 is: 7,855.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,170.66 : 15,244.83 = 5,240.58 : x
  2. Step 2: Convert to fraction form
    10,170.66/15,244.83 = 5,240.58/x
  3. Step 3: Cross multiply
    10,170.66x = 15,244.83 × 5,240.58
  4. Step 4: Simplify right side
    10,170.66x = 79,891,751.20
  5. Step 5: Solve for x
    x = 79,891,751.20/10,170.66
  6. Step 6: Final answer
    x = 7,855.12

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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.