Home / 11,168.96-15,395.52-8,923.76

Finding the Fourth Proportional to 11,168.96, 15,395.52 and 8,923.76

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Solution

The fourth proportional to 11,168.96, 15,395.52 and 8,923.76 is: 12,300.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,168.96 : 15,395.52 = 8,923.76 : x
  2. Step 2: Convert to fraction form
    11,168.96/15,395.52 = 8,923.76/x
  3. Step 3: Cross multiply
    11,168.96x = 15,395.52 × 8,923.76
  4. Step 4: Simplify right side
    11,168.96x = 137,385,925.56
  5. Step 5: Solve for x
    x = 137,385,925.56/11,168.96
  6. Step 6: Final answer
    x = 12,300.69

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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.