Home / 19,931.88-27,507.03-11,974.44

Finding the Fourth Proportional to 19,931.88, 27,507.03 and 11,974.44

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Solution

The fourth proportional to 19,931.88, 27,507.03 and 11,974.44 is: 16,525.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,931.88 : 27,507.03 = 11,974.44 : x
  2. Step 2: Convert to fraction form
    19,931.88/27,507.03 = 11,974.44/x
  3. Step 3: Cross multiply
    19,931.88x = 27,507.03 × 11,974.44
  4. Step 4: Simplify right side
    19,931.88x = 329,381,280.31
  5. Step 5: Solve for x
    x = 329,381,280.31/19,931.88
  6. Step 6: Final answer
    x = 16,525.35

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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.