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Finding the Fourth Proportional to 9,636.76, 14,455.14 and 3,061.72

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Solution

The fourth proportional to 9,636.76, 14,455.14 and 3,061.72 is: 4,592.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,636.76 : 14,455.14 = 3,061.72 : x
  2. Step 2: Convert to fraction form
    9,636.76/14,455.14 = 3,061.72/x
  3. Step 3: Cross multiply
    9,636.76x = 14,455.14 × 3,061.72
  4. Step 4: Simplify right side
    9,636.76x = 44,257,591.24
  5. Step 5: Solve for x
    x = 44,257,591.24/9,636.76
  6. Step 6: Final answer
    x = 4,592.58

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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.