Home / 16,871.29-25,296.53-11,612.68

Finding the Fourth Proportional to 16,871.29, 25,296.53 and 11,612.68

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Solution

The fourth proportional to 16,871.29, 25,296.53 and 11,612.68 is: 17,411.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,871.29 : 25,296.53 = 11,612.68 : x
  2. Step 2: Convert to fraction form
    16,871.29/25,296.53 = 11,612.68/x
  3. Step 3: Cross multiply
    16,871.29x = 25,296.53 × 11,612.68
  4. Step 4: Simplify right side
    16,871.29x = 293,760,386.70
  5. Step 5: Solve for x
    x = 293,760,386.70/16,871.29
  6. Step 6: Final answer
    x = 17,411.85

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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.