Home / 10,111.70-13,955.19-6,079.85

Finding the Fourth Proportional to 10,111.70, 13,955.19 and 6,079.85

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Solution

The fourth proportional to 10,111.70, 13,955.19 and 6,079.85 is: 8,390.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,111.70 : 13,955.19 = 6,079.85 : x
  2. Step 2: Convert to fraction form
    10,111.70/13,955.19 = 6,079.85/x
  3. Step 3: Cross multiply
    10,111.70x = 13,955.19 × 6,079.85
  4. Step 4: Simplify right side
    10,111.70x = 84,845,361.75
  5. Step 5: Solve for x
    x = 84,845,361.75/10,111.70
  6. Step 6: Final answer
    x = 8,390.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.