Home / 14,475.12-19,975.32-8,101.80

Finding the Fourth Proportional to 14,475.12, 19,975.32 and 8,101.80

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Solution

The fourth proportional to 14,475.12, 19,975.32 and 8,101.80 is: 11,180.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,475.12 : 19,975.32 = 8,101.80 : x
  2. Step 2: Convert to fraction form
    14,475.12/19,975.32 = 8,101.80/x
  3. Step 3: Cross multiply
    14,475.12x = 19,975.32 × 8,101.80
  4. Step 4: Simplify right side
    14,475.12x = 161,836,047.58
  5. Step 5: Solve for x
    x = 161,836,047.58/14,475.12
  6. Step 6: Final answer
    x = 11,180.29

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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.