Home / 17,864.12-24,672.24-13,879.18

Finding the Fourth Proportional to 17,864.12, 24,672.24 and 13,879.18

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Solution

The fourth proportional to 17,864.12, 24,672.24 and 13,879.18 is: 19,168.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,864.12 : 24,672.24 = 13,879.18 : x
  2. Step 2: Convert to fraction form
    17,864.12/24,672.24 = 13,879.18/x
  3. Step 3: Cross multiply
    17,864.12x = 24,672.24 × 13,879.18
  4. Step 4: Simplify right side
    17,864.12x = 342,430,459.96
  5. Step 5: Solve for x
    x = 342,430,459.96/17,864.12
  6. Step 6: Final answer
    x = 19,168.62

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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.