Home / 15,923.43-21,974.18-8,849.70

Finding the Fourth Proportional to 15,923.43, 21,974.18 and 8,849.70

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Solution

The fourth proportional to 15,923.43, 21,974.18 and 8,849.70 is: 12,212.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,923.43 : 21,974.18 = 8,849.70 : x
  2. Step 2: Convert to fraction form
    15,923.43/21,974.18 = 8,849.70/x
  3. Step 3: Cross multiply
    15,923.43x = 21,974.18 × 8,849.70
  4. Step 4: Simplify right side
    15,923.43x = 194,464,856.50
  5. Step 5: Solve for x
    x = 194,464,856.50/15,923.43
  6. Step 6: Final answer
    x = 12,212.50

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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.