Home / 21,383.06-32,078.92-6,591.38

Finding the Fourth Proportional to 21,383.06, 32,078.92 and 6,591.38

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Solution

The fourth proportional to 21,383.06, 32,078.92 and 6,591.38 is: 9,888.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,383.06 : 32,078.92 = 6,591.38 : x
  2. Step 2: Convert to fraction form
    21,383.06/32,078.92 = 6,591.38/x
  3. Step 3: Cross multiply
    21,383.06x = 32,078.92 × 6,591.38
  4. Step 4: Simplify right side
    21,383.06x = 211,444,351.71
  5. Step 5: Solve for x
    x = 211,444,351.71/21,383.06
  6. Step 6: Final answer
    x = 9,888.40

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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.