Home / 20,885.58-31,322.21-6,089.85

Finding the Fourth Proportional to 20,885.58, 31,322.21 and 6,089.85

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Solution

The fourth proportional to 20,885.58, 31,322.21 and 6,089.85 is: 9,132.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,885.58 : 31,322.21 = 6,089.85 : x
  2. Step 2: Convert to fraction form
    20,885.58/31,322.21 = 6,089.85/x
  3. Step 3: Cross multiply
    20,885.58x = 31,322.21 × 6,089.85
  4. Step 4: Simplify right side
    20,885.58x = 190,747,530.12
  5. Step 5: Solve for x
    x = 190,747,530.12/20,885.58
  6. Step 6: Final answer
    x = 9,132.98

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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.