Home / 16,851.65-25,278.68-5,165.17

Finding the Fourth Proportional to 16,851.65, 25,278.68 and 5,165.17

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Solution

The fourth proportional to 16,851.65, 25,278.68 and 5,165.17 is: 7,748.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,851.65 : 25,278.68 = 5,165.17 : x
  2. Step 2: Convert to fraction form
    16,851.65/25,278.68 = 5,165.17/x
  3. Step 3: Cross multiply
    16,851.65x = 25,278.68 × 5,165.17
  4. Step 4: Simplify right side
    16,851.65x = 130,568,629.29
  5. Step 5: Solve for x
    x = 130,568,629.29/16,851.65
  6. Step 6: Final answer
    x = 7,748.12

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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.