Home / 13,395.57-20,091.07-3,534.95

Finding the Fourth Proportional to 13,395.57, 20,091.07 and 3,534.95

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Solution

The fourth proportional to 13,395.57, 20,091.07 and 3,534.95 is: 5,301.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,395.57 : 20,091.07 = 3,534.95 : x
  2. Step 2: Convert to fraction form
    13,395.57/20,091.07 = 3,534.95/x
  3. Step 3: Cross multiply
    13,395.57x = 20,091.07 × 3,534.95
  4. Step 4: Simplify right side
    13,395.57x = 71,020,927.90
  5. Step 5: Solve for x
    x = 71,020,927.90/13,395.57
  6. Step 6: Final answer
    x = 5,301.82

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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.