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Finding the Fourth Proportional to 25,251.51, 37,873.63 and 7,716.63

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Solution

The fourth proportional to 25,251.51, 37,873.63 and 7,716.63 is: 11,573.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,251.51 : 37,873.63 = 7,716.63 : x
  2. Step 2: Convert to fraction form
    25,251.51/37,873.63 = 7,716.63/x
  3. Step 3: Cross multiply
    25,251.51x = 37,873.63 × 7,716.63
  4. Step 4: Simplify right side
    25,251.51x = 292,256,897.73
  5. Step 5: Solve for x
    x = 292,256,897.73/25,251.51
  6. Step 6: Final answer
    x = 11,573.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.