Home / 20,889.73-31,337.53-6,099.74

Finding the Fourth Proportional to 20,889.73, 31,337.53 and 6,099.74

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Solution

The fourth proportional to 20,889.73, 31,337.53 and 6,099.74 is: 9,150.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,889.73 : 31,337.53 = 6,099.74 : x
  2. Step 2: Convert to fraction form
    20,889.73/31,337.53 = 6,099.74/x
  3. Step 3: Cross multiply
    20,889.73x = 31,337.53 × 6,099.74
  4. Step 4: Simplify right side
    20,889.73x = 191,150,613.31
  5. Step 5: Solve for x
    x = 191,150,613.31/20,889.73
  6. Step 6: Final answer
    x = 9,150.46

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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.