Home / 19,670.97-27,132.40-12,594.21

Finding the Fourth Proportional to 19,670.97, 27,132.40 and 12,594.21

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Solution

The fourth proportional to 19,670.97, 27,132.40 and 12,594.21 is: 17,371.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,670.97 : 27,132.40 = 12,594.21 : x
  2. Step 2: Convert to fraction form
    19,670.97/27,132.40 = 12,594.21/x
  3. Step 3: Cross multiply
    19,670.97x = 27,132.40 × 12,594.21
  4. Step 4: Simplify right side
    19,670.97x = 341,711,143.40
  5. Step 5: Solve for x
    x = 341,711,143.40/19,670.97
  6. Step 6: Final answer
    x = 17,371.34

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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.