Home / 20,145.74-30,228.52-9,060.26

Finding the Fourth Proportional to 20,145.74, 30,228.52 and 9,060.26

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Solution

The fourth proportional to 20,145.74, 30,228.52 and 9,060.26 is: 13,594.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,145.74 : 30,228.52 = 9,060.26 : x
  2. Step 2: Convert to fraction form
    20,145.74/30,228.52 = 9,060.26/x
  3. Step 3: Cross multiply
    20,145.74x = 30,228.52 × 9,060.26
  4. Step 4: Simplify right side
    20,145.74x = 273,878,250.62
  5. Step 5: Solve for x
    x = 273,878,250.62/20,145.74
  6. Step 6: Final answer
    x = 13,594.85

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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.