Home / 16,767.68-25,148.64-5,079.20

Finding the Fourth Proportional to 16,767.68, 25,148.64 and 5,079.20

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Solution

The fourth proportional to 16,767.68, 25,148.64 and 5,079.20 is: 7,617.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,767.68 : 25,148.64 = 5,079.20 : x
  2. Step 2: Convert to fraction form
    16,767.68/25,148.64 = 5,079.20/x
  3. Step 3: Cross multiply
    16,767.68x = 25,148.64 × 5,079.20
  4. Step 4: Simplify right side
    16,767.68x = 127,734,972.29
  5. Step 5: Solve for x
    x = 127,734,972.29/16,767.68
  6. Step 6: Final answer
    x = 7,617.93

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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.