Home / 20,654.36-30,985.94-5,867.80

Finding the Fourth Proportional to 20,654.36, 30,985.94 and 5,867.80

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Solution

The fourth proportional to 20,654.36, 30,985.94 and 5,867.80 is: 8,802.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,654.36 : 30,985.94 = 5,867.80 : x
  2. Step 2: Convert to fraction form
    20,654.36/30,985.94 = 5,867.80/x
  3. Step 3: Cross multiply
    20,654.36x = 30,985.94 × 5,867.80
  4. Step 4: Simplify right side
    20,654.36x = 181,819,298.73
  5. Step 5: Solve for x
    x = 181,819,298.73/20,654.36
  6. Step 6: Final answer
    x = 8,802.95

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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.