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Finding the Fourth Proportional to 14,279.53, 19,710.02 and 9,244.09

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Solution

The fourth proportional to 14,279.53, 19,710.02 and 9,244.09 is: 12,759.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,279.53 : 19,710.02 = 9,244.09 : x
  2. Step 2: Convert to fraction form
    14,279.53/19,710.02 = 9,244.09/x
  3. Step 3: Cross multiply
    14,279.53x = 19,710.02 × 9,244.09
  4. Step 4: Simplify right side
    14,279.53x = 182,201,225.54
  5. Step 5: Solve for x
    x = 182,201,225.54/14,279.53
  6. Step 6: Final answer
    x = 12,759.61

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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.