Home / 20,655.56-30,983.27-5,864.48

Finding the Fourth Proportional to 20,655.56, 30,983.27 and 5,864.48

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Solution

The fourth proportional to 20,655.56, 30,983.27 and 5,864.48 is: 8,796.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,655.56 : 30,983.27 = 5,864.48 : x
  2. Step 2: Convert to fraction form
    20,655.56/30,983.27 = 5,864.48/x
  3. Step 3: Cross multiply
    20,655.56x = 30,983.27 × 5,864.48
  4. Step 4: Simplify right side
    20,655.56x = 181,700,767.25
  5. Step 5: Solve for x
    x = 181,700,767.25/20,655.56
  6. Step 6: Final answer
    x = 8,796.70

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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.