Home / 13,330.85-19,984.39-6,753.65

Finding the Fourth Proportional to 13,330.85, 19,984.39 and 6,753.65

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Solution

The fourth proportional to 13,330.85, 19,984.39 and 6,753.65 is: 10,124.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,330.85 : 19,984.39 = 6,753.65 : x
  2. Step 2: Convert to fraction form
    13,330.85/19,984.39 = 6,753.65/x
  3. Step 3: Cross multiply
    13,330.85x = 19,984.39 × 6,753.65
  4. Step 4: Simplify right side
    13,330.85x = 134,967,458.72
  5. Step 5: Solve for x
    x = 134,967,458.72/13,330.85
  6. Step 6: Final answer
    x = 10,124.45

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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.