Home / 20,122.81-30,184.44-6,082.96

Finding the Fourth Proportional to 20,122.81, 30,184.44 and 6,082.96

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Solution

The fourth proportional to 20,122.81, 30,184.44 and 6,082.96 is: 9,124.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,122.81 : 30,184.44 = 6,082.96 : x
  2. Step 2: Convert to fraction form
    20,122.81/30,184.44 = 6,082.96/x
  3. Step 3: Cross multiply
    20,122.81x = 30,184.44 × 6,082.96
  4. Step 4: Simplify right side
    20,122.81x = 183,610,741.14
  5. Step 5: Solve for x
    x = 183,610,741.14/20,122.81
  6. Step 6: Final answer
    x = 9,124.51

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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.