Home / 16,690.73-25,034.47-4,378.73

Finding the Fourth Proportional to 16,690.73, 25,034.47 and 4,378.73

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Solution

The fourth proportional to 16,690.73, 25,034.47 and 4,378.73 is: 6,567.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,690.73 : 25,034.47 = 4,378.73 : x
  2. Step 2: Convert to fraction form
    16,690.73/25,034.47 = 4,378.73/x
  3. Step 3: Cross multiply
    16,690.73x = 25,034.47 × 4,378.73
  4. Step 4: Simplify right side
    16,690.73x = 109,619,048.70
  5. Step 5: Solve for x
    x = 109,619,048.70/16,690.73
  6. Step 6: Final answer
    x = 6,567.66

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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.