Home / 10,274.08-15,415.20-3,348.64

Finding the Fourth Proportional to 10,274.08, 15,415.20 and 3,348.64

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Solution

The fourth proportional to 10,274.08, 15,415.20 and 3,348.64 is: 5,024.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,274.08 : 15,415.20 = 3,348.64 : x
  2. Step 2: Convert to fraction form
    10,274.08/15,415.20 = 3,348.64/x
  3. Step 3: Cross multiply
    10,274.08x = 15,415.20 × 3,348.64
  4. Step 4: Simplify right side
    10,274.08x = 51,619,955.33
  5. Step 5: Solve for x
    x = 51,619,955.33/10,274.08
  6. Step 6: Final answer
    x = 5,024.29

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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.