Home / 12,117.24-16,710.51-7,863.75

Finding the Fourth Proportional to 12,117.24, 16,710.51 and 7,863.75

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Solution

The fourth proportional to 12,117.24, 16,710.51 and 7,863.75 is: 10,844.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,117.24 : 16,710.51 = 7,863.75 : x
  2. Step 2: Convert to fraction form
    12,117.24/16,710.51 = 7,863.75/x
  3. Step 3: Cross multiply
    12,117.24x = 16,710.51 × 7,863.75
  4. Step 4: Simplify right side
    12,117.24x = 131,407,273.01
  5. Step 5: Solve for x
    x = 131,407,273.01/12,117.24
  6. Step 6: Final answer
    x = 10,844.65

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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.