Home / 22,223.85-30,666.58-13,270.15

Finding the Fourth Proportional to 22,223.85, 30,666.58 and 13,270.15

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Solution

The fourth proportional to 22,223.85, 30,666.58 and 13,270.15 is: 18,311.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,223.85 : 30,666.58 = 13,270.15 : x
  2. Step 2: Convert to fraction form
    22,223.85/30,666.58 = 13,270.15/x
  3. Step 3: Cross multiply
    22,223.85x = 30,666.58 × 13,270.15
  4. Step 4: Simplify right side
    22,223.85x = 406,950,116.59
  5. Step 5: Solve for x
    x = 406,950,116.59/22,223.85
  6. Step 6: Final answer
    x = 18,311.41

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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.