Home / 12,764.70-19,144.49-4,445.08

Finding the Fourth Proportional to 12,764.70, 19,144.49 and 4,445.08

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Solution

The fourth proportional to 12,764.70, 19,144.49 and 4,445.08 is: 6,666.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,764.70 : 19,144.49 = 4,445.08 : x
  2. Step 2: Convert to fraction form
    12,764.70/19,144.49 = 4,445.08/x
  3. Step 3: Cross multiply
    12,764.70x = 19,144.49 × 4,445.08
  4. Step 4: Simplify right side
    12,764.70x = 85,098,719.52
  5. Step 5: Solve for x
    x = 85,098,719.52/12,764.70
  6. Step 6: Final answer
    x = 6,666.72

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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.