Home / 15,247.28-21,029.94-10,766.36

Finding the Fourth Proportional to 15,247.28, 21,029.94 and 10,766.36

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Solution

The fourth proportional to 15,247.28, 21,029.94 and 10,766.36 is: 14,849.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,247.28 : 21,029.94 = 10,766.36 : x
  2. Step 2: Convert to fraction form
    15,247.28/21,029.94 = 10,766.36/x
  3. Step 3: Cross multiply
    15,247.28x = 21,029.94 × 10,766.36
  4. Step 4: Simplify right side
    15,247.28x = 226,415,799.67
  5. Step 5: Solve for x
    x = 226,415,799.67/15,247.28
  6. Step 6: Final answer
    x = 14,849.59

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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.