Home / 20,562.88-30,860.55-10,567.23

Finding the Fourth Proportional to 20,562.88, 30,860.55 and 10,567.23

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Solution

The fourth proportional to 20,562.88, 30,860.55 and 10,567.23 is: 15,859.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,562.88 : 30,860.55 = 10,567.23 : x
  2. Step 2: Convert to fraction form
    20,562.88/30,860.55 = 10,567.23/x
  3. Step 3: Cross multiply
    20,562.88x = 30,860.55 × 10,567.23
  4. Step 4: Simplify right side
    20,562.88x = 326,110,529.78
  5. Step 5: Solve for x
    x = 326,110,529.78/20,562.88
  6. Step 6: Final answer
    x = 15,859.19

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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.