Home / 16,672.96-23,007.84-9,219.52

Finding the Fourth Proportional to 16,672.96, 23,007.84 and 9,219.52

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Solution

The fourth proportional to 16,672.96, 23,007.84 and 9,219.52 is: 12,722.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,672.96 : 23,007.84 = 9,219.52 : x
  2. Step 2: Convert to fraction form
    16,672.96/23,007.84 = 9,219.52/x
  3. Step 3: Cross multiply
    16,672.96x = 23,007.84 × 9,219.52
  4. Step 4: Simplify right side
    16,672.96x = 212,121,241.04
  5. Step 5: Solve for x
    x = 212,121,241.04/16,672.96
  6. Step 6: Final answer
    x = 12,722.47

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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.