Home / 20,655.39-30,983.39-5,864.34

Finding the Fourth Proportional to 20,655.39, 30,983.39 and 5,864.34

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Solution

The fourth proportional to 20,655.39, 30,983.39 and 5,864.34 is: 8,796.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,655.39 : 30,983.39 = 5,864.34 : x
  2. Step 2: Convert to fraction form
    20,655.39/30,983.39 = 5,864.34/x
  3. Step 3: Cross multiply
    20,655.39x = 30,983.39 × 5,864.34
  4. Step 4: Simplify right side
    20,655.39x = 181,697,103.99
  5. Step 5: Solve for x
    x = 181,697,103.99/20,655.39
  6. Step 6: Final answer
    x = 8,796.60

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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.