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Finding the Fourth Proportional to 19,660.01, 29,451 and 9,279.05

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Solution

The fourth proportional to 19,660.01, 29,451 and 9,279.05 is: 13,900.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,660.01 : 29,451 = 9,279.05 : x
  2. Step 2: Convert to fraction form
    19,660.01/29,451 = 9,279.05/x
  3. Step 3: Cross multiply
    19,660.01x = 29,451 × 9,279.05
  4. Step 4: Simplify right side
    19,660.01x = 273,277,301.55
  5. Step 5: Solve for x
    x = 273,277,301.55/19,660.01
  6. Step 6: Final answer
    x = 13,900.16

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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.