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Finding the Fourth Proportional to 17,976.80, 24,808.08 and 10,018.96

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Solution

The fourth proportional to 17,976.80, 24,808.08 and 10,018.96 is: 13,826.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,976.80 : 24,808.08 = 10,018.96 : x
  2. Step 2: Convert to fraction form
    17,976.80/24,808.08 = 10,018.96/x
  3. Step 3: Cross multiply
    17,976.80x = 24,808.08 × 10,018.96
  4. Step 4: Simplify right side
    17,976.80x = 248,551,161.20
  5. Step 5: Solve for x
    x = 248,551,161.20/17,976.80
  6. Step 6: Final answer
    x = 13,826.22

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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.