Home / 15,994.88-22,075.60-9,286.08

Finding the Fourth Proportional to 15,994.88, 22,075.60 and 9,286.08

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Solution

The fourth proportional to 15,994.88, 22,075.60 and 9,286.08 is: 12,816.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,994.88 : 22,075.60 = 9,286.08 : x
  2. Step 2: Convert to fraction form
    15,994.88/22,075.60 = 9,286.08/x
  3. Step 3: Cross multiply
    15,994.88x = 22,075.60 × 9,286.08
  4. Step 4: Simplify right side
    15,994.88x = 204,995,787.65
  5. Step 5: Solve for x
    x = 204,995,787.65/15,994.88
  6. Step 6: Final answer
    x = 12,816.34

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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.