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Finding the Fourth Proportional to 8,953.53, 13,364.57 and 8,293.78

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Solution

The fourth proportional to 8,953.53, 13,364.57 and 8,293.78 is: 12,379.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,953.53 : 13,364.57 = 8,293.78 : x
  2. Step 2: Convert to fraction form
    8,953.53/13,364.57 = 8,293.78/x
  3. Step 3: Cross multiply
    8,953.53x = 13,364.57 × 8,293.78
  4. Step 4: Simplify right side
    8,953.53x = 110,842,794.16
  5. Step 5: Solve for x
    x = 110,842,794.16/8,953.53
  6. Step 6: Final answer
    x = 12,379.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.