Home / 19,634.30-27,086.55-13,258.85

Finding the Fourth Proportional to 19,634.30, 27,086.55 and 13,258.85

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Solution

The fourth proportional to 19,634.30, 27,086.55 and 13,258.85 is: 18,291.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,634.30 : 27,086.55 = 13,258.85 : x
  2. Step 2: Convert to fraction form
    19,634.30/27,086.55 = 13,258.85/x
  3. Step 3: Cross multiply
    19,634.30x = 27,086.55 × 13,258.85
  4. Step 4: Simplify right side
    19,634.30x = 359,136,503.47
  5. Step 5: Solve for x
    x = 359,136,503.47/19,634.30
  6. Step 6: Final answer
    x = 18,291.28

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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.