Home / 14,335.72-21,405.44-12,845.32

Finding the Fourth Proportional to 14,335.72, 21,405.44 and 12,845.32

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Solution

The fourth proportional to 14,335.72, 21,405.44 and 12,845.32 is: 19,180.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,335.72 : 21,405.44 = 12,845.32 : x
  2. Step 2: Convert to fraction form
    14,335.72/21,405.44 = 12,845.32/x
  3. Step 3: Cross multiply
    14,335.72x = 21,405.44 × 12,845.32
  4. Step 4: Simplify right side
    14,335.72x = 274,959,726.54
  5. Step 5: Solve for x
    x = 274,959,726.54/14,335.72
  6. Step 6: Final answer
    x = 19,180.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.