Home / 15,101.91-22,640.39-6,662.40

Finding the Fourth Proportional to 15,101.91, 22,640.39 and 6,662.40

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Solution

The fourth proportional to 15,101.91, 22,640.39 and 6,662.40 is: 9,988.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,101.91 : 22,640.39 = 6,662.40 : x
  2. Step 2: Convert to fraction form
    15,101.91/22,640.39 = 6,662.40/x
  3. Step 3: Cross multiply
    15,101.91x = 22,640.39 × 6,662.40
  4. Step 4: Simplify right side
    15,101.91x = 150,839,187.82
  5. Step 5: Solve for x
    x = 150,839,187.82/15,101.91
  6. Step 6: Final answer
    x = 9,988.09

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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.