Home / 22,733.37-31,373.55-13,781.70

Finding the Fourth Proportional to 22,733.37, 31,373.55 and 13,781.70

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Solution

The fourth proportional to 22,733.37, 31,373.55 and 13,781.70 is: 19,019.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,733.37 : 31,373.55 = 13,781.70 : x
  2. Step 2: Convert to fraction form
    22,733.37/31,373.55 = 13,781.70/x
  3. Step 3: Cross multiply
    22,733.37x = 31,373.55 × 13,781.70
  4. Step 4: Simplify right side
    22,733.37x = 432,380,854.04
  5. Step 5: Solve for x
    x = 432,380,854.04/22,733.37
  6. Step 6: Final answer
    x = 19,019.65

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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.