Home / 10,204.64-15,294.68-5,271.60

Finding the Fourth Proportional to 10,204.64, 15,294.68 and 5,271.60

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Solution

The fourth proportional to 10,204.64, 15,294.68 and 5,271.60 is: 7,901.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,204.64 : 15,294.68 = 5,271.60 : x
  2. Step 2: Convert to fraction form
    10,204.64/15,294.68 = 5,271.60/x
  3. Step 3: Cross multiply
    10,204.64x = 15,294.68 × 5,271.60
  4. Step 4: Simplify right side
    10,204.64x = 80,627,435.09
  5. Step 5: Solve for x
    x = 80,627,435.09/10,204.64
  6. Step 6: Final answer
    x = 7,901.06

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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.