Home / 21,216.26-31,825.02-10,124.12

Finding the Fourth Proportional to 21,216.26, 31,825.02 and 10,124.12

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Solution

The fourth proportional to 21,216.26, 31,825.02 and 10,124.12 is: 15,186.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,216.26 : 31,825.02 = 10,124.12 : x
  2. Step 2: Convert to fraction form
    21,216.26/31,825.02 = 10,124.12/x
  3. Step 3: Cross multiply
    21,216.26x = 31,825.02 × 10,124.12
  4. Step 4: Simplify right side
    21,216.26x = 322,200,321.48
  5. Step 5: Solve for x
    x = 322,200,321.48/21,216.26
  6. Step 6: Final answer
    x = 15,186.48

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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.