Home / 13,338.90-19,989.88-5,010.54

Finding the Fourth Proportional to 13,338.90, 19,989.88 and 5,010.54

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Solution

The fourth proportional to 13,338.90, 19,989.88 and 5,010.54 is: 7,508.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,338.90 : 19,989.88 = 5,010.54 : x
  2. Step 2: Convert to fraction form
    13,338.90/19,989.88 = 5,010.54/x
  3. Step 3: Cross multiply
    13,338.90x = 19,989.88 × 5,010.54
  4. Step 4: Simplify right side
    13,338.90x = 100,160,093.34
  5. Step 5: Solve for x
    x = 100,160,093.34/13,338.90
  6. Step 6: Final answer
    x = 7,508.87

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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.