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Finding the Fourth Proportional to 9,651.60, 14,455.53 and 7,558.56

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Solution

The fourth proportional to 9,651.60, 14,455.53 and 7,558.56 is: 11,320.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,651.60 : 14,455.53 = 7,558.56 : x
  2. Step 2: Convert to fraction form
    9,651.60/14,455.53 = 7,558.56/x
  3. Step 3: Cross multiply
    9,651.60x = 14,455.53 × 7,558.56
  4. Step 4: Simplify right side
    9,651.60x = 109,262,990.84
  5. Step 5: Solve for x
    x = 109,262,990.84/9,651.60
  6. Step 6: Final answer
    x = 11,320.71

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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.