Home / 13,510.87-20,265.54-3,649.41

Finding the Fourth Proportional to 13,510.87, 20,265.54 and 3,649.41

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Solution

The fourth proportional to 13,510.87, 20,265.54 and 3,649.41 is: 5,473.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,510.87 : 20,265.54 = 3,649.41 : x
  2. Step 2: Convert to fraction form
    13,510.87/20,265.54 = 3,649.41/x
  3. Step 3: Cross multiply
    13,510.87x = 20,265.54 × 3,649.41
  4. Step 4: Simplify right side
    13,510.87x = 73,957,264.33
  5. Step 5: Solve for x
    x = 73,957,264.33/13,510.87
  6. Step 6: Final answer
    x = 5,473.91

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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.