Home / 22,292.86-30,765.40-13,223.60

Finding the Fourth Proportional to 22,292.86, 30,765.40 and 13,223.60

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Solution

The fourth proportional to 22,292.86, 30,765.40 and 13,223.60 is: 18,249.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,292.86 : 30,765.40 = 13,223.60 : x
  2. Step 2: Convert to fraction form
    22,292.86/30,765.40 = 13,223.60/x
  3. Step 3: Cross multiply
    22,292.86x = 30,765.40 × 13,223.60
  4. Step 4: Simplify right side
    22,292.86x = 406,829,131.76
  5. Step 5: Solve for x
    x = 406,829,131.76/22,292.86
  6. Step 6: Final answer
    x = 18,249.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.