Home / 14,232.66-21,348.74-11,115.20

Finding the Fourth Proportional to 14,232.66, 21,348.74 and 11,115.20

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Solution

The fourth proportional to 14,232.66, 21,348.74 and 11,115.20 is: 16,672.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,232.66 : 21,348.74 = 11,115.20 : x
  2. Step 2: Convert to fraction form
    14,232.66/21,348.74 = 11,115.20/x
  3. Step 3: Cross multiply
    14,232.66x = 21,348.74 × 11,115.20
  4. Step 4: Simplify right side
    14,232.66x = 237,295,352.53
  5. Step 5: Solve for x
    x = 237,295,352.53/14,232.66
  6. Step 6: Final answer
    x = 16,672.59

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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.