Home / 17,909.36-26,858.64-12,398.24

Finding the Fourth Proportional to 17,909.36, 26,858.64 and 12,398.24

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Solution

The fourth proportional to 17,909.36, 26,858.64 and 12,398.24 is: 18,593.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,909.36 : 26,858.64 = 12,398.24 : x
  2. Step 2: Convert to fraction form
    17,909.36/26,858.64 = 12,398.24/x
  3. Step 3: Cross multiply
    17,909.36x = 26,858.64 × 12,398.24
  4. Step 4: Simplify right side
    17,909.36x = 332,999,864.79
  5. Step 5: Solve for x
    x = 332,999,864.79/17,909.36
  6. Step 6: Final answer
    x = 18,593.62

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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.