Home / 18,443.50-27,664.98-8,577.25

Finding the Fourth Proportional to 18,443.50, 27,664.98 and 8,577.25

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Solution

The fourth proportional to 18,443.50, 27,664.98 and 8,577.25 is: 12,865.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,443.50 : 27,664.98 = 8,577.25 : x
  2. Step 2: Convert to fraction form
    18,443.50/27,664.98 = 8,577.25/x
  3. Step 3: Cross multiply
    18,443.50x = 27,664.98 × 8,577.25
  4. Step 4: Simplify right side
    18,443.50x = 237,289,449.71
  5. Step 5: Solve for x
    x = 237,289,449.71/18,443.50
  6. Step 6: Final answer
    x = 12,865.75

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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.