Home / 18,976.69-28,482.39-9,623.16

Finding the Fourth Proportional to 18,976.69, 28,482.39 and 9,623.16

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Solution

The fourth proportional to 18,976.69, 28,482.39 and 9,623.16 is: 14,443.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,976.69 : 28,482.39 = 9,623.16 : x
  2. Step 2: Convert to fraction form
    18,976.69/28,482.39 = 9,623.16/x
  3. Step 3: Cross multiply
    18,976.69x = 28,482.39 × 9,623.16
  4. Step 4: Simplify right side
    18,976.69x = 274,090,622.95
  5. Step 5: Solve for x
    x = 274,090,622.95/18,976.69
  6. Step 6: Final answer
    x = 14,443.55

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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.