Home / 16,186.29-22,315.53-12,135.88

Finding the Fourth Proportional to 16,186.29, 22,315.53 and 12,135.88

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Solution

The fourth proportional to 16,186.29, 22,315.53 and 12,135.88 is: 16,731.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,186.29 : 22,315.53 = 12,135.88 : x
  2. Step 2: Convert to fraction form
    16,186.29/22,315.53 = 12,135.88/x
  3. Step 3: Cross multiply
    16,186.29x = 22,315.53 × 12,135.88
  4. Step 4: Simplify right side
    16,186.29x = 270,818,594.22
  5. Step 5: Solve for x
    x = 270,818,594.22/16,186.29
  6. Step 6: Final answer
    x = 16,731.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.