Home / 13,385.26-20,076.18-3,525.30

Finding the Fourth Proportional to 13,385.26, 20,076.18 and 3,525.30

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Solution

The fourth proportional to 13,385.26, 20,076.18 and 3,525.30 is: 5,287.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,385.26 : 20,076.18 = 3,525.30 : x
  2. Step 2: Convert to fraction form
    13,385.26/20,076.18 = 3,525.30/x
  3. Step 3: Cross multiply
    13,385.26x = 20,076.18 × 3,525.30
  4. Step 4: Simplify right side
    13,385.26x = 70,774,557.35
  5. Step 5: Solve for x
    x = 70,774,557.35/13,385.26
  6. Step 6: Final answer
    x = 5,287.50

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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.