Home / 15,113.64-22,645.86-11,976.72

Finding the Fourth Proportional to 15,113.64, 22,645.86 and 11,976.72

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Solution

The fourth proportional to 15,113.64, 22,645.86 and 11,976.72 is: 17,945.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,113.64 : 22,645.86 = 11,976.72 : x
  2. Step 2: Convert to fraction form
    15,113.64/22,645.86 = 11,976.72/x
  3. Step 3: Cross multiply
    15,113.64x = 22,645.86 × 11,976.72
  4. Step 4: Simplify right side
    15,113.64x = 271,223,124.38
  5. Step 5: Solve for x
    x = 271,223,124.38/15,113.64
  6. Step 6: Final answer
    x = 17,945.59

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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.