Home / 22,400.07-30,905.67-14,446.86

Finding the Fourth Proportional to 22,400.07, 30,905.67 and 14,446.86

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Solution

The fourth proportional to 22,400.07, 30,905.67 and 14,446.86 is: 19,932.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,400.07 : 30,905.67 = 14,446.86 : x
  2. Step 2: Convert to fraction form
    22,400.07/30,905.67 = 14,446.86/x
  3. Step 3: Cross multiply
    22,400.07x = 30,905.67 × 14,446.86
  4. Step 4: Simplify right side
    22,400.07x = 446,489,887.70
  5. Step 5: Solve for x
    x = 446,489,887.70/22,400.07
  6. Step 6: Final answer
    x = 19,932.52

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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.