Home / 11,118.74-15,338.56-6,868.27

Finding the Fourth Proportional to 11,118.74, 15,338.56 and 6,868.27

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Solution

The fourth proportional to 11,118.74, 15,338.56 and 6,868.27 is: 9,474.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,118.74 : 15,338.56 = 6,868.27 : x
  2. Step 2: Convert to fraction form
    11,118.74/15,338.56 = 6,868.27/x
  3. Step 3: Cross multiply
    11,118.74x = 15,338.56 × 6,868.27
  4. Step 4: Simplify right side
    11,118.74x = 105,349,447.70
  5. Step 5: Solve for x
    x = 105,349,447.70/11,118.74
  6. Step 6: Final answer
    x = 9,474.94

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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.