Home / 10,912.60-16,368.93-4,338.73

Finding the Fourth Proportional to 10,912.60, 16,368.93 and 4,338.73

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Solution

The fourth proportional to 10,912.60, 16,368.93 and 4,338.73 is: 6,508.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,912.60 : 16,368.93 = 4,338.73 : x
  2. Step 2: Convert to fraction form
    10,912.60/16,368.93 = 4,338.73/x
  3. Step 3: Cross multiply
    10,912.60x = 16,368.93 × 4,338.73
  4. Step 4: Simplify right side
    10,912.60x = 71,020,367.66
  5. Step 5: Solve for x
    x = 71,020,367.66/10,912.60
  6. Step 6: Final answer
    x = 6,508.11

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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.