Home / 14,678.72-22,015.20-5,445.44

Finding the Fourth Proportional to 14,678.72, 22,015.20 and 5,445.44

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Solution

The fourth proportional to 14,678.72, 22,015.20 and 5,445.44 is: 8,167.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,678.72 : 22,015.20 = 5,445.44 : x
  2. Step 2: Convert to fraction form
    14,678.72/22,015.20 = 5,445.44/x
  3. Step 3: Cross multiply
    14,678.72x = 22,015.20 × 5,445.44
  4. Step 4: Simplify right side
    14,678.72x = 119,882,450.69
  5. Step 5: Solve for x
    x = 119,882,450.69/14,678.72
  6. Step 6: Final answer
    x = 8,167.09

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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.