Home / 15,226.20-22,814.60-7,820.37

Finding the Fourth Proportional to 15,226.20, 22,814.60 and 7,820.37

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Solution

The fourth proportional to 15,226.20, 22,814.60 and 7,820.37 is: 11,717.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,226.20 : 22,814.60 = 7,820.37 : x
  2. Step 2: Convert to fraction form
    15,226.20/22,814.60 = 7,820.37/x
  3. Step 3: Cross multiply
    15,226.20x = 22,814.60 × 7,820.37
  4. Step 4: Simplify right side
    15,226.20x = 178,418,574.30
  5. Step 5: Solve for x
    x = 178,418,574.30/15,226.20
  6. Step 6: Final answer
    x = 11,717.87

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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.