Home / 10,476.61-15,711.56-3,455.05

Finding the Fourth Proportional to 10,476.61, 15,711.56 and 3,455.05

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Solution

The fourth proportional to 10,476.61, 15,711.56 and 3,455.05 is: 5,181.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,476.61 : 15,711.56 = 3,455.05 : x
  2. Step 2: Convert to fraction form
    10,476.61/15,711.56 = 3,455.05/x
  3. Step 3: Cross multiply
    10,476.61x = 15,711.56 × 3,455.05
  4. Step 4: Simplify right side
    10,476.61x = 54,284,177.46
  5. Step 5: Solve for x
    x = 54,284,177.46/10,476.61
  6. Step 6: Final answer
    x = 5,181.46

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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.