Home / 22,749.06-31,393.94-12,540.46

Finding the Fourth Proportional to 22,749.06, 31,393.94 and 12,540.46

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Solution

The fourth proportional to 22,749.06, 31,393.94 and 12,540.46 is: 17,305.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,749.06 : 31,393.94 = 12,540.46 : x
  2. Step 2: Convert to fraction form
    22,749.06/31,393.94 = 12,540.46/x
  3. Step 3: Cross multiply
    22,749.06x = 31,393.94 × 12,540.46
  4. Step 4: Simplify right side
    22,749.06x = 393,694,307.63
  5. Step 5: Solve for x
    x = 393,694,307.63/22,749.06
  6. Step 6: Final answer
    x = 17,305.96

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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.