Home / 15,360.40-21,216.96-11,753.41

Finding the Fourth Proportional to 15,360.40, 21,216.96 and 11,753.41

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Solution

The fourth proportional to 15,360.40, 21,216.96 and 11,753.41 is: 16,234.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,360.40 : 21,216.96 = 11,753.41 : x
  2. Step 2: Convert to fraction form
    15,360.40/21,216.96 = 11,753.41/x
  3. Step 3: Cross multiply
    15,360.40x = 21,216.96 × 11,753.41
  4. Step 4: Simplify right side
    15,360.40x = 249,371,629.83
  5. Step 5: Solve for x
    x = 249,371,629.83/15,360.40
  6. Step 6: Final answer
    x = 16,234.71

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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.