Home / 10,077.10-15,111.70-3,833.80

Finding the Fourth Proportional to 10,077.10, 15,111.70 and 3,833.80

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Solution

The fourth proportional to 10,077.10, 15,111.70 and 3,833.80 is: 5,749.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,077.10 : 15,111.70 = 3,833.80 : x
  2. Step 2: Convert to fraction form
    10,077.10/15,111.70 = 3,833.80/x
  3. Step 3: Cross multiply
    10,077.10x = 15,111.70 × 3,833.80
  4. Step 4: Simplify right side
    10,077.10x = 57,935,235.46
  5. Step 5: Solve for x
    x = 57,935,235.46/10,077.10
  6. Step 6: Final answer
    x = 5,749.20

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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.