Home / 18,075.44-27,115.32-6,981.68

Finding the Fourth Proportional to 18,075.44, 27,115.32 and 6,981.68

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Solution

The fourth proportional to 18,075.44, 27,115.32 and 6,981.68 is: 10,473.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,075.44 : 27,115.32 = 6,981.68 : x
  2. Step 2: Convert to fraction form
    18,075.44/27,115.32 = 6,981.68/x
  3. Step 3: Cross multiply
    18,075.44x = 27,115.32 × 6,981.68
  4. Step 4: Simplify right side
    18,075.44x = 189,310,487.34
  5. Step 5: Solve for x
    x = 189,310,487.34/18,075.44
  6. Step 6: Final answer
    x = 10,473.35

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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.