Home / 19,367.67-28,989.22-9,994.92

Finding the Fourth Proportional to 19,367.67, 28,989.22 and 9,994.92

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Solution

The fourth proportional to 19,367.67, 28,989.22 and 9,994.92 is: 14,960.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,367.67 : 28,989.22 = 9,994.92 : x
  2. Step 2: Convert to fraction form
    19,367.67/28,989.22 = 9,994.92/x
  3. Step 3: Cross multiply
    19,367.67x = 28,989.22 × 9,994.92
  4. Step 4: Simplify right side
    19,367.67x = 289,744,873.23
  5. Step 5: Solve for x
    x = 289,744,873.23/19,367.67
  6. Step 6: Final answer
    x = 14,960.23

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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.