Home / 20,567.55-30,844.95-7,418.22

Finding the Fourth Proportional to 20,567.55, 30,844.95 and 7,418.22

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Solution

The fourth proportional to 20,567.55, 30,844.95 and 7,418.22 is: 11,125.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,567.55 : 30,844.95 = 7,418.22 : x
  2. Step 2: Convert to fraction form
    20,567.55/30,844.95 = 7,418.22/x
  3. Step 3: Cross multiply
    20,567.55x = 30,844.95 × 7,418.22
  4. Step 4: Simplify right side
    20,567.55x = 228,814,624.99
  5. Step 5: Solve for x
    x = 228,814,624.99/20,567.55
  6. Step 6: Final answer
    x = 11,125.03

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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.