Home / 9,133.21-12,600.88-7,212.93

Finding the Fourth Proportional to 9,133.21, 12,600.88 and 7,212.93

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Solution

The fourth proportional to 9,133.21, 12,600.88 and 7,212.93 is: 9,951.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,133.21 : 12,600.88 = 7,212.93 : x
  2. Step 2: Convert to fraction form
    9,133.21/12,600.88 = 7,212.93/x
  3. Step 3: Cross multiply
    9,133.21x = 12,600.88 × 7,212.93
  4. Step 4: Simplify right side
    9,133.21x = 90,889,265.38
  5. Step 5: Solve for x
    x = 90,889,265.38/9,133.21
  6. Step 6: Final answer
    x = 9,951.51

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Half scale
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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.