Home / 11,418.48-17,123.40-4,847.76

Finding the Fourth Proportional to 11,418.48, 17,123.40 and 4,847.76

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Solution

The fourth proportional to 11,418.48, 17,123.40 and 4,847.76 is: 7,269.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,418.48 : 17,123.40 = 4,847.76 : x
  2. Step 2: Convert to fraction form
    11,418.48/17,123.40 = 4,847.76/x
  3. Step 3: Cross multiply
    11,418.48x = 17,123.40 × 4,847.76
  4. Step 4: Simplify right side
    11,418.48x = 83,010,133.58
  5. Step 5: Solve for x
    x = 83,010,133.58/11,418.48
  6. Step 6: Final answer
    x = 7,269.81

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1.5x scale

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.