Home / 16,872.99-25,309.53-5,186.13

Finding the Fourth Proportional to 16,872.99, 25,309.53 and 5,186.13

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Solution

The fourth proportional to 16,872.99, 25,309.53 and 5,186.13 is: 7,779.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,872.99 : 25,309.53 = 5,186.13 : x
  2. Step 2: Convert to fraction form
    16,872.99/25,309.53 = 5,186.13/x
  3. Step 3: Cross multiply
    16,872.99x = 25,309.53 × 5,186.13
  4. Step 4: Simplify right side
    16,872.99x = 131,258,512.82
  5. Step 5: Solve for x
    x = 131,258,512.82/16,872.99
  6. Step 6: Final answer
    x = 7,779.21

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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.