Home / 14,787.62-22,170.49-6,987.32

Finding the Fourth Proportional to 14,787.62, 22,170.49 and 6,987.32

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Solution

The fourth proportional to 14,787.62, 22,170.49 and 6,987.32 is: 10,475.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,787.62 : 22,170.49 = 6,987.32 : x
  2. Step 2: Convert to fraction form
    14,787.62/22,170.49 = 6,987.32/x
  3. Step 3: Cross multiply
    14,787.62x = 22,170.49 × 6,987.32
  4. Step 4: Simplify right side
    14,787.62x = 154,912,162.40
  5. Step 5: Solve for x
    x = 154,912,162.40/14,787.62
  6. Step 6: Final answer
    x = 10,475.80

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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.