Home / 20,885.23-31,329.21-6,092.91

Finding the Fourth Proportional to 20,885.23, 31,329.21 and 6,092.91

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Solution

The fourth proportional to 20,885.23, 31,329.21 and 6,092.91 is: 9,139.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,885.23 : 31,329.21 = 6,092.91 : x
  2. Step 2: Convert to fraction form
    20,885.23/31,329.21 = 6,092.91/x
  3. Step 3: Cross multiply
    20,885.23x = 31,329.21 × 6,092.91
  4. Step 4: Simplify right side
    20,885.23x = 190,886,056.90
  5. Step 5: Solve for x
    x = 190,886,056.90/20,885.23
  6. Step 6: Final answer
    x = 9,139.76

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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.