Home / 12,149.36-16,656.76-11,927.92

Finding the Fourth Proportional to 12,149.36, 16,656.76 and 11,927.92

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Solution

The fourth proportional to 12,149.36, 16,656.76 and 11,927.92 is: 16,353.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,149.36 : 16,656.76 = 11,927.92 : x
  2. Step 2: Convert to fraction form
    12,149.36/16,656.76 = 11,927.92/x
  3. Step 3: Cross multiply
    12,149.36x = 16,656.76 × 11,927.92
  4. Step 4: Simplify right side
    12,149.36x = 198,680,500.74
  5. Step 5: Solve for x
    x = 198,680,500.74/12,149.36
  6. Step 6: Final answer
    x = 16,353.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.