Home / 9,221.94-12,726.63-5,243.42

Finding the Fourth Proportional to 9,221.94, 12,726.63 and 5,243.42

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Solution

The fourth proportional to 9,221.94, 12,726.63 and 5,243.42 is: 7,236.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,221.94 : 12,726.63 = 5,243.42 : x
  2. Step 2: Convert to fraction form
    9,221.94/12,726.63 = 5,243.42/x
  3. Step 3: Cross multiply
    9,221.94x = 12,726.63 × 5,243.42
  4. Step 4: Simplify right side
    9,221.94x = 66,731,002.64
  5. Step 5: Solve for x
    x = 66,731,002.64/9,221.94
  6. Step 6: Final answer
    x = 7,236.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.