Home / 12,837.15-17,723.61-11,490.42

Finding the Fourth Proportional to 12,837.15, 17,723.61 and 11,490.42

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Solution

The fourth proportional to 12,837.15, 17,723.61 and 11,490.42 is: 15,864.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,837.15 : 17,723.61 = 11,490.42 : x
  2. Step 2: Convert to fraction form
    12,837.15/17,723.61 = 11,490.42/x
  3. Step 3: Cross multiply
    12,837.15x = 17,723.61 × 11,490.42
  4. Step 4: Simplify right side
    12,837.15x = 203,651,722.82
  5. Step 5: Solve for x
    x = 203,651,722.82/12,837.15
  6. Step 6: Final answer
    x = 15,864.25

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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.