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Finding the Fourth Proportional to 11,463.08, 15,797.63 and 8,941.20

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Solution

The fourth proportional to 11,463.08, 15,797.63 and 8,941.20 is: 12,322.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,463.08 : 15,797.63 = 8,941.20 : x
  2. Step 2: Convert to fraction form
    11,463.08/15,797.63 = 8,941.20/x
  3. Step 3: Cross multiply
    11,463.08x = 15,797.63 × 8,941.20
  4. Step 4: Simplify right side
    11,463.08x = 141,249,724.65
  5. Step 5: Solve for x
    x = 141,249,724.65/11,463.08
  6. Step 6: Final answer
    x = 12,322.15

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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.