Home / 20,187.50-30,282.33-6,337.58

Finding the Fourth Proportional to 20,187.50, 30,282.33 and 6,337.58

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Solution

The fourth proportional to 20,187.50, 30,282.33 and 6,337.58 is: 9,506.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,187.50 : 30,282.33 = 6,337.58 : x
  2. Step 2: Convert to fraction form
    20,187.50/30,282.33 = 6,337.58/x
  3. Step 3: Cross multiply
    20,187.50x = 30,282.33 × 6,337.58
  4. Step 4: Simplify right side
    20,187.50x = 191,916,688.96
  5. Step 5: Solve for x
    x = 191,916,688.96/20,187.50
  6. Step 6: Final answer
    x = 9,506.71

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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.