Home / 13,806.95-20,710.62-5,042.75

Finding the Fourth Proportional to 13,806.95, 20,710.62 and 5,042.75

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Solution

The fourth proportional to 13,806.95, 20,710.62 and 5,042.75 is: 7,564.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,806.95 : 20,710.62 = 5,042.75 : x
  2. Step 2: Convert to fraction form
    13,806.95/20,710.62 = 5,042.75/x
  3. Step 3: Cross multiply
    13,806.95x = 20,710.62 × 5,042.75
  4. Step 4: Simplify right side
    13,806.95x = 104,438,375.45
  5. Step 5: Solve for x
    x = 104,438,375.45/13,806.95
  6. Step 6: Final answer
    x = 7,564.19

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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.