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Finding the Fourth Proportional to 9,635.58, 14,446.99 and 5,477.55

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Solution

The fourth proportional to 9,635.58, 14,446.99 and 5,477.55 is: 8,212.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,635.58 : 14,446.99 = 5,477.55 : x
  2. Step 2: Convert to fraction form
    9,635.58/14,446.99 = 5,477.55/x
  3. Step 3: Cross multiply
    9,635.58x = 14,446.99 × 5,477.55
  4. Step 4: Simplify right side
    9,635.58x = 79,134,062.75
  5. Step 5: Solve for x
    x = 79,134,062.75/9,635.58
  6. Step 6: Final answer
    x = 8,212.69

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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.