Home / 16,889.30-25,301.14-8,130.36

Finding the Fourth Proportional to 16,889.30, 25,301.14 and 8,130.36

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Solution

The fourth proportional to 16,889.30, 25,301.14 and 8,130.36 is: 12,179.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,889.30 : 25,301.14 = 8,130.36 : x
  2. Step 2: Convert to fraction form
    16,889.30/25,301.14 = 8,130.36/x
  3. Step 3: Cross multiply
    16,889.30x = 25,301.14 × 8,130.36
  4. Step 4: Simplify right side
    16,889.30x = 205,707,376.61
  5. Step 5: Solve for x
    x = 205,707,376.61/16,889.30
  6. Step 6: Final answer
    x = 12,179.75

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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.