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Finding the Fourth Proportional to 15,274.78, 22,914.90 and 10,020.51

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Solution

The fourth proportional to 15,274.78, 22,914.90 and 10,020.51 is: 15,032.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,274.78 : 22,914.90 = 10,020.51 : x
  2. Step 2: Convert to fraction form
    15,274.78/22,914.90 = 10,020.51/x
  3. Step 3: Cross multiply
    15,274.78x = 22,914.90 × 10,020.51
  4. Step 4: Simplify right side
    15,274.78x = 229,618,984.60
  5. Step 5: Solve for x
    x = 229,618,984.60/15,274.78
  6. Step 6: Final answer
    x = 15,032.56

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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.