Home / 12,737.66-19,112.76-5,722.52

Finding the Fourth Proportional to 12,737.66, 19,112.76 and 5,722.52

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Solution

The fourth proportional to 12,737.66, 19,112.76 and 5,722.52 is: 8,586.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,737.66 : 19,112.76 = 5,722.52 : x
  2. Step 2: Convert to fraction form
    12,737.66/19,112.76 = 5,722.52/x
  3. Step 3: Cross multiply
    12,737.66x = 19,112.76 × 5,722.52
  4. Step 4: Simplify right side
    12,737.66x = 109,373,055.79
  5. Step 5: Solve for x
    x = 109,373,055.79/12,737.66
  6. Step 6: Final answer
    x = 8,586.59

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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.