Home / 22,690.54-31,308.45-13,738.88

Finding the Fourth Proportional to 22,690.54, 31,308.45 and 13,738.88

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Solution

The fourth proportional to 22,690.54, 31,308.45 and 13,738.88 is: 18,956.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,690.54 : 31,308.45 = 13,738.88 : x
  2. Step 2: Convert to fraction form
    22,690.54/31,308.45 = 13,738.88/x
  3. Step 3: Cross multiply
    22,690.54x = 31,308.45 × 13,738.88
  4. Step 4: Simplify right side
    22,690.54x = 430,142,829.47
  5. Step 5: Solve for x
    x = 430,142,829.47/22,690.54
  6. Step 6: Final answer
    x = 18,956.93

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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.