Home / 10,456.55-15,684.61-4,216.43

Finding the Fourth Proportional to 10,456.55, 15,684.61 and 4,216.43

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Solution

The fourth proportional to 10,456.55, 15,684.61 and 4,216.43 is: 6,324.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,456.55 : 15,684.61 = 4,216.43 : x
  2. Step 2: Convert to fraction form
    10,456.55/15,684.61 = 4,216.43/x
  3. Step 3: Cross multiply
    10,456.55x = 15,684.61 × 4,216.43
  4. Step 4: Simplify right side
    10,456.55x = 66,133,060.14
  5. Step 5: Solve for x
    x = 66,133,060.14/10,456.55
  6. Step 6: Final answer
    x = 6,324.56

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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.