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Finding the Fourth Proportional to 9,923.59, 14,885.72 and 3,260.22

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Solution

The fourth proportional to 9,923.59, 14,885.72 and 3,260.22 is: 4,890.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,923.59 : 14,885.72 = 3,260.22 : x
  2. Step 2: Convert to fraction form
    9,923.59/14,885.72 = 3,260.22/x
  3. Step 3: Cross multiply
    9,923.59x = 14,885.72 × 3,260.22
  4. Step 4: Simplify right side
    9,923.59x = 48,530,806.10
  5. Step 5: Solve for x
    x = 48,530,806.10/9,923.59
  6. Step 6: Final answer
    x = 4,890.45

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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.