Home / 19,610.42-27,080.32-12,549.24

Finding the Fourth Proportional to 19,610.42, 27,080.32 and 12,549.24

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Solution

The fourth proportional to 19,610.42, 27,080.32 and 12,549.24 is: 17,329.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,610.42 : 27,080.32 = 12,549.24 : x
  2. Step 2: Convert to fraction form
    19,610.42/27,080.32 = 12,549.24/x
  3. Step 3: Cross multiply
    19,610.42x = 27,080.32 × 12,549.24
  4. Step 4: Simplify right side
    19,610.42x = 339,837,434.96
  5. Step 5: Solve for x
    x = 339,837,434.96/19,610.42
  6. Step 6: Final answer
    x = 17,329.43

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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.