Home / 16,920.09-23,348.88-9,366.21

Finding the Fourth Proportional to 16,920.09, 23,348.88 and 9,366.21

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Solution

The fourth proportional to 16,920.09, 23,348.88 and 9,366.21 is: 12,924.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,920.09 : 23,348.88 = 9,366.21 : x
  2. Step 2: Convert to fraction form
    16,920.09/23,348.88 = 9,366.21/x
  3. Step 3: Cross multiply
    16,920.09x = 23,348.88 × 9,366.21
  4. Step 4: Simplify right side
    16,920.09x = 218,690,513.34
  5. Step 5: Solve for x
    x = 218,690,513.34/16,920.09
  6. Step 6: Final answer
    x = 12,924.90

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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.