Home / 20,691.96-31,037.70-5,898.84

Finding the Fourth Proportional to 20,691.96, 31,037.70 and 5,898.84

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Solution

The fourth proportional to 20,691.96, 31,037.70 and 5,898.84 is: 8,848.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,691.96 : 31,037.70 = 5,898.84 : x
  2. Step 2: Convert to fraction form
    20,691.96/31,037.70 = 5,898.84/x
  3. Step 3: Cross multiply
    20,691.96x = 31,037.70 × 5,898.84
  4. Step 4: Simplify right side
    20,691.96x = 183,086,426.27
  5. Step 5: Solve for x
    x = 183,086,426.27/20,691.96
  6. Step 6: Final answer
    x = 8,848.19

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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.