Home / 19,173.32-28,752.76-6,690.12

Finding the Fourth Proportional to 19,173.32, 28,752.76 and 6,690.12

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Solution

The fourth proportional to 19,173.32, 28,752.76 and 6,690.12 is: 10,032.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,173.32 : 28,752.76 = 6,690.12 : x
  2. Step 2: Convert to fraction form
    19,173.32/28,752.76 = 6,690.12/x
  3. Step 3: Cross multiply
    19,173.32x = 28,752.76 × 6,690.12
  4. Step 4: Simplify right side
    19,173.32x = 192,359,414.73
  5. Step 5: Solve for x
    x = 192,359,414.73/19,173.32
  6. Step 6: Final answer
    x = 10,032.66

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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.