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Finding the Fourth Proportional to 9,366.76, 12,936.56 and 7,267.67

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Solution

The fourth proportional to 9,366.76, 12,936.56 and 7,267.67 is: 10,037.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,366.76 : 12,936.56 = 7,267.67 : x
  2. Step 2: Convert to fraction form
    9,366.76/12,936.56 = 7,267.67/x
  3. Step 3: Cross multiply
    9,366.76x = 12,936.56 × 7,267.67
  4. Step 4: Simplify right side
    9,366.76x = 94,018,649.02
  5. Step 5: Solve for x
    x = 94,018,649.02/9,366.76
  6. Step 6: Final answer
    x = 10,037.48

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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.