Home / 16,810.13-25,219.25-5,122.64

Finding the Fourth Proportional to 16,810.13, 25,219.25 and 5,122.64

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Solution

The fourth proportional to 16,810.13, 25,219.25 and 5,122.64 is: 7,685.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,810.13 : 25,219.25 = 5,122.64 : x
  2. Step 2: Convert to fraction form
    16,810.13/25,219.25 = 5,122.64/x
  3. Step 3: Cross multiply
    16,810.13x = 25,219.25 × 5,122.64
  4. Step 4: Simplify right side
    16,810.13x = 129,189,138.82
  5. Step 5: Solve for x
    x = 129,189,138.82/16,810.13
  6. Step 6: Final answer
    x = 7,685.20

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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.