Home / 12,538.32-18,810.60-3,773.04

Finding the Fourth Proportional to 12,538.32, 18,810.60 and 3,773.04

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Solution

The fourth proportional to 12,538.32, 18,810.60 and 3,773.04 is: 5,660.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,538.32 : 18,810.60 = 3,773.04 : x
  2. Step 2: Convert to fraction form
    12,538.32/18,810.60 = 3,773.04/x
  3. Step 3: Cross multiply
    12,538.32x = 18,810.60 × 3,773.04
  4. Step 4: Simplify right side
    12,538.32x = 70,973,146.22
  5. Step 5: Solve for x
    x = 70,973,146.22/12,538.32
  6. Step 6: Final answer
    x = 5,660.50

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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.