Home / 19,939.24-27,513.30-12,487.24

Finding the Fourth Proportional to 19,939.24, 27,513.30 and 12,487.24

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Solution

The fourth proportional to 19,939.24, 27,513.30 and 12,487.24 is: 17,230.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,939.24 : 27,513.30 = 12,487.24 : x
  2. Step 2: Convert to fraction form
    19,939.24/27,513.30 = 12,487.24/x
  3. Step 3: Cross multiply
    19,939.24x = 27,513.30 × 12,487.24
  4. Step 4: Simplify right side
    19,939.24x = 343,565,180.29
  5. Step 5: Solve for x
    x = 343,565,180.29/19,939.24
  6. Step 6: Final answer
    x = 17,230.61

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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.