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Finding the Fourth Proportional to 9,867.87, 14,801.73 and 2,472.30

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Solution

The fourth proportional to 9,867.87, 14,801.73 and 2,472.30 is: 3,708.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,867.87 : 14,801.73 = 2,472.30 : x
  2. Step 2: Convert to fraction form
    9,867.87/14,801.73 = 2,472.30/x
  3. Step 3: Cross multiply
    9,867.87x = 14,801.73 × 2,472.30
  4. Step 4: Simplify right side
    9,867.87x = 36,594,317.08
  5. Step 5: Solve for x
    x = 36,594,317.08/9,867.87
  6. Step 6: Final answer
    x = 3,708.43

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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.