Home / 20,567.43-30,844.76-7,418.10

Finding the Fourth Proportional to 20,567.43, 30,844.76 and 7,418.10

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Solution

The fourth proportional to 20,567.43, 30,844.76 and 7,418.10 is: 11,124.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,567.43 : 30,844.76 = 7,418.10 : x
  2. Step 2: Convert to fraction form
    20,567.43/30,844.76 = 7,418.10/x
  3. Step 3: Cross multiply
    20,567.43x = 30,844.76 × 7,418.10
  4. Step 4: Simplify right side
    20,567.43x = 228,809,378.48
  5. Step 5: Solve for x
    x = 228,809,378.48/20,567.43
  6. Step 6: Final answer
    x = 11,124.84

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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.