Home / 22,615.74-31,190.67-14,550.66

Finding the Fourth Proportional to 22,615.74, 31,190.67 and 14,550.66

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Solution

The fourth proportional to 22,615.74, 31,190.67 and 14,550.66 is: 20,067.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,615.74 : 31,190.67 = 14,550.66 : x
  2. Step 2: Convert to fraction form
    22,615.74/31,190.67 = 14,550.66/x
  3. Step 3: Cross multiply
    22,615.74x = 31,190.67 × 14,550.66
  4. Step 4: Simplify right side
    22,615.74x = 453,844,834.34
  5. Step 5: Solve for x
    x = 453,844,834.34/22,615.74
  6. Step 6: Final answer
    x = 20,067.65

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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.