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Finding the Fourth Proportional to 9,346.80, 14,020.10 and 5,403.99

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Solution

The fourth proportional to 9,346.80, 14,020.10 and 5,403.99 is: 8,105.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,346.80 : 14,020.10 = 5,403.99 : x
  2. Step 2: Convert to fraction form
    9,346.80/14,020.10 = 5,403.99/x
  3. Step 3: Cross multiply
    9,346.80x = 14,020.10 × 5,403.99
  4. Step 4: Simplify right side
    9,346.80x = 75,764,453.18
  5. Step 5: Solve for x
    x = 75,764,453.18/9,346.80
  6. Step 6: Final answer
    x = 8,105.92

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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.