Home / 20,165.55-30,248.39-7,014.79

Finding the Fourth Proportional to 20,165.55, 30,248.39 and 7,014.79

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Solution

The fourth proportional to 20,165.55, 30,248.39 and 7,014.79 is: 10,522.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,165.55 : 30,248.39 = 7,014.79 : x
  2. Step 2: Convert to fraction form
    20,165.55/30,248.39 = 7,014.79/x
  3. Step 3: Cross multiply
    20,165.55x = 30,248.39 × 7,014.79
  4. Step 4: Simplify right side
    20,165.55x = 212,186,103.69
  5. Step 5: Solve for x
    x = 212,186,103.69/20,165.55
  6. Step 6: Final answer
    x = 10,522.21

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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.