Home / 10,719.70-16,077.12-4,793.47

Finding the Fourth Proportional to 10,719.70, 16,077.12 and 4,793.47

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Solution

The fourth proportional to 10,719.70, 16,077.12 and 4,793.47 is: 7,189.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,719.70 : 16,077.12 = 4,793.47 : x
  2. Step 2: Convert to fraction form
    10,719.70/16,077.12 = 4,793.47/x
  3. Step 3: Cross multiply
    10,719.70x = 16,077.12 × 4,793.47
  4. Step 4: Simplify right side
    10,719.70x = 77,065,192.41
  5. Step 5: Solve for x
    x = 77,065,192.41/10,719.70
  6. Step 6: Final answer
    x = 7,189.12

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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.