Home / 16,807.57-25,215.14-5,121.97

Finding the Fourth Proportional to 16,807.57, 25,215.14 and 5,121.97

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Solution

The fourth proportional to 16,807.57, 25,215.14 and 5,121.97 is: 7,684.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,807.57 : 25,215.14 = 5,121.97 : x
  2. Step 2: Convert to fraction form
    16,807.57/25,215.14 = 5,121.97/x
  3. Step 3: Cross multiply
    16,807.57x = 25,215.14 × 5,121.97
  4. Step 4: Simplify right side
    16,807.57x = 129,151,165.02
  5. Step 5: Solve for x
    x = 129,151,165.02/16,807.57
  6. Step 6: Final answer
    x = 7,684.11

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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.