Home / 16,894.39-23,314.74-9,341.21

Finding the Fourth Proportional to 16,894.39, 23,314.74 and 9,341.21

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Solution

The fourth proportional to 16,894.39, 23,314.74 and 9,341.21 is: 12,891.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,894.39 : 23,314.74 = 9,341.21 : x
  2. Step 2: Convert to fraction form
    16,894.39/23,314.74 = 9,341.21/x
  3. Step 3: Cross multiply
    16,894.39x = 23,314.74 × 9,341.21
  4. Step 4: Simplify right side
    16,894.39x = 217,787,765.86
  5. Step 5: Solve for x
    x = 217,787,765.86/16,894.39
  6. Step 6: Final answer
    x = 12,891.13

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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.