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Finding the Fourth Proportional to 9,565.63, 13,167.81 and 8,299.24

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Solution

The fourth proportional to 9,565.63, 13,167.81 and 8,299.24 is: 11,424.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,565.63 : 13,167.81 = 8,299.24 : x
  2. Step 2: Convert to fraction form
    9,565.63/13,167.81 = 8,299.24/x
  3. Step 3: Cross multiply
    9,565.63x = 13,167.81 × 8,299.24
  4. Step 4: Simplify right side
    9,565.63x = 109,282,782.54
  5. Step 5: Solve for x
    x = 109,282,782.54/9,565.63
  6. Step 6: Final answer
    x = 11,424.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.