Home / 15,115.32-22,680.39-6,801.21

Finding the Fourth Proportional to 15,115.32, 22,680.39 and 6,801.21

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Solution

The fourth proportional to 15,115.32, 22,680.39 and 6,801.21 is: 10,205.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,115.32 : 22,680.39 = 6,801.21 : x
  2. Step 2: Convert to fraction form
    15,115.32/22,680.39 = 6,801.21/x
  3. Step 3: Cross multiply
    15,115.32x = 22,680.39 × 6,801.21
  4. Step 4: Simplify right side
    15,115.32x = 154,254,095.27
  5. Step 5: Solve for x
    x = 154,254,095.27/15,115.32
  6. Step 6: Final answer
    x = 10,205.15

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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.