Home / 20,564.55-30,846.83-13,566.15

Finding the Fourth Proportional to 20,564.55, 30,846.83 and 13,566.15

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Solution

The fourth proportional to 20,564.55, 30,846.83 and 13,566.15 is: 20,349.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,564.55 : 30,846.83 = 13,566.15 : x
  2. Step 2: Convert to fraction form
    20,564.55/30,846.83 = 13,566.15/x
  3. Step 3: Cross multiply
    20,564.55x = 30,846.83 × 13,566.15
  4. Step 4: Simplify right side
    20,564.55x = 418,472,654.97
  5. Step 5: Solve for x
    x = 418,472,654.97/20,564.55
  6. Step 6: Final answer
    x = 20,349.23

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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.