Home / 10,120.29-15,175.58-5,736.57

Finding the Fourth Proportional to 10,120.29, 15,175.58 and 5,736.57

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Solution

The fourth proportional to 10,120.29, 15,175.58 and 5,736.57 is: 8,602.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,120.29 : 15,175.58 = 5,736.57 : x
  2. Step 2: Convert to fraction form
    10,120.29/15,175.58 = 5,736.57/x
  3. Step 3: Cross multiply
    10,120.29x = 15,175.58 × 5,736.57
  4. Step 4: Simplify right side
    10,120.29x = 87,055,748.28
  5. Step 5: Solve for x
    x = 87,055,748.28/10,120.29
  6. Step 6: Final answer
    x = 8,602.10

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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.