Home / 12,215.94-18,326.18-5,552.91

Finding the Fourth Proportional to 12,215.94, 18,326.18 and 5,552.91

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Solution

The fourth proportional to 12,215.94, 18,326.18 and 5,552.91 is: 8,330.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,215.94 : 18,326.18 = 5,552.91 : x
  2. Step 2: Convert to fraction form
    12,215.94/18,326.18 = 5,552.91/x
  3. Step 3: Cross multiply
    12,215.94x = 18,326.18 × 5,552.91
  4. Step 4: Simplify right side
    12,215.94x = 101,763,642.07
  5. Step 5: Solve for x
    x = 101,763,642.07/12,215.94
  6. Step 6: Final answer
    x = 8,330.40

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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.