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Finding the Fourth Proportional to 17,836.76, 24,614.93 and 9,879.11

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Solution

The fourth proportional to 17,836.76, 24,614.93 and 9,879.11 is: 13,633.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,836.76 : 24,614.93 = 9,879.11 : x
  2. Step 2: Convert to fraction form
    17,836.76/24,614.93 = 9,879.11/x
  3. Step 3: Cross multiply
    17,836.76x = 24,614.93 × 9,879.11
  4. Step 4: Simplify right side
    17,836.76x = 243,173,551.72
  5. Step 5: Solve for x
    x = 243,173,551.72/17,836.76
  6. Step 6: Final answer
    x = 13,633.28

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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.