Home / 20,106.80-30,150.42-6,064.20

Finding the Fourth Proportional to 20,106.80, 30,150.42 and 6,064.20

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Solution

The fourth proportional to 20,106.80, 30,150.42 and 6,064.20 is: 9,093.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,106.80 : 30,150.42 = 6,064.20 : x
  2. Step 2: Convert to fraction form
    20,106.80/30,150.42 = 6,064.20/x
  3. Step 3: Cross multiply
    20,106.80x = 30,150.42 × 6,064.20
  4. Step 4: Simplify right side
    20,106.80x = 182,838,176.96
  5. Step 5: Solve for x
    x = 182,838,176.96/20,106.80
  6. Step 6: Final answer
    x = 9,093.35

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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.