Home / 22,223.81-33,336.94-6,642.65

Finding the Fourth Proportional to 22,223.81, 33,336.94 and 6,642.65

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Solution

The fourth proportional to 22,223.81, 33,336.94 and 6,642.65 is: 9,964.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,223.81 : 33,336.94 = 6,642.65 : x
  2. Step 2: Convert to fraction form
    22,223.81/33,336.94 = 6,642.65/x
  3. Step 3: Cross multiply
    22,223.81x = 33,336.94 × 6,642.65
  4. Step 4: Simplify right side
    22,223.81x = 221,445,691.23
  5. Step 5: Solve for x
    x = 221,445,691.23/22,223.81
  6. Step 6: Final answer
    x = 9,964.34

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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.