Home / 20,156.76-30,235.74-5,367.24

Finding the Fourth Proportional to 20,156.76, 30,235.74 and 5,367.24

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Solution

The fourth proportional to 20,156.76, 30,235.74 and 5,367.24 is: 8,051.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,156.76 : 30,235.74 = 5,367.24 : x
  2. Step 2: Convert to fraction form
    20,156.76/30,235.74 = 5,367.24/x
  3. Step 3: Cross multiply
    20,156.76x = 30,235.74 × 5,367.24
  4. Step 4: Simplify right side
    20,156.76x = 162,282,473.16
  5. Step 5: Solve for x
    x = 162,282,473.16/20,156.76
  6. Step 6: Final answer
    x = 8,051.02

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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.