Home / 22,330.50-30,816.21-13,951.86

Finding the Fourth Proportional to 22,330.50, 30,816.21 and 13,951.86

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Solution

The fourth proportional to 22,330.50, 30,816.21 and 13,951.86 is: 19,253.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,330.50 : 30,816.21 = 13,951.86 : x
  2. Step 2: Convert to fraction form
    22,330.50/30,816.21 = 13,951.86/x
  3. Step 3: Cross multiply
    22,330.50x = 30,816.21 × 13,951.86
  4. Step 4: Simplify right side
    22,330.50x = 429,943,447.65
  5. Step 5: Solve for x
    x = 429,943,447.65/22,330.50
  6. Step 6: Final answer
    x = 19,253.64

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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.