Home / 15,243.07-21,037.37-9,274.38

Finding the Fourth Proportional to 15,243.07, 21,037.37 and 9,274.38

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Solution

The fourth proportional to 15,243.07, 21,037.37 and 9,274.38 is: 12,799.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,243.07 : 21,037.37 = 9,274.38 : x
  2. Step 2: Convert to fraction form
    15,243.07/21,037.37 = 9,274.38/x
  3. Step 3: Cross multiply
    15,243.07x = 21,037.37 × 9,274.38
  4. Step 4: Simplify right side
    15,243.07x = 195,108,517.21
  5. Step 5: Solve for x
    x = 195,108,517.21/15,243.07
  6. Step 6: Final answer
    x = 12,799.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.