Home / 22,220.98-30,649.92-14,272.85

Finding the Fourth Proportional to 22,220.98, 30,649.92 and 14,272.85

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Solution

The fourth proportional to 22,220.98, 30,649.92 and 14,272.85 is: 19,686.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,220.98 : 30,649.92 = 14,272.85 : x
  2. Step 2: Convert to fraction form
    22,220.98/30,649.92 = 14,272.85/x
  3. Step 3: Cross multiply
    22,220.98x = 30,649.92 × 14,272.85
  4. Step 4: Simplify right side
    22,220.98x = 437,461,710.67
  5. Step 5: Solve for x
    x = 437,461,710.67/22,220.98
  6. Step 6: Final answer
    x = 19,686.88

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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.