Home / 22,856.70-34,278.48-8,815.62

Finding the Fourth Proportional to 22,856.70, 34,278.48 and 8,815.62

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Solution

The fourth proportional to 22,856.70, 34,278.48 and 8,815.62 is: 13,220.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,856.70 : 34,278.48 = 8,815.62 : x
  2. Step 2: Convert to fraction form
    22,856.70/34,278.48 = 8,815.62/x
  3. Step 3: Cross multiply
    22,856.70x = 34,278.48 × 8,815.62
  4. Step 4: Simplify right side
    22,856.70x = 302,186,053.86
  5. Step 5: Solve for x
    x = 302,186,053.86/22,856.70
  6. Step 6: Final answer
    x = 13,220.90

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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.