Home / 20,631.36-30,945.51-6,590.82

Finding the Fourth Proportional to 20,631.36, 30,945.51 and 6,590.82

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Solution

The fourth proportional to 20,631.36, 30,945.51 and 6,590.82 is: 9,885.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,631.36 : 30,945.51 = 6,590.82 : x
  2. Step 2: Convert to fraction form
    20,631.36/30,945.51 = 6,590.82/x
  3. Step 3: Cross multiply
    20,631.36x = 30,945.51 × 6,590.82
  4. Step 4: Simplify right side
    20,631.36x = 203,956,286.22
  5. Step 5: Solve for x
    x = 203,956,286.22/20,631.36
  6. Step 6: Final answer
    x = 9,885.74

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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.