Home / 19,622.36-27,086.70-12,071.75

Finding the Fourth Proportional to 19,622.36, 27,086.70 and 12,071.75

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Solution

The fourth proportional to 19,622.36, 27,086.70 and 12,071.75 is: 16,663.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,622.36 : 27,086.70 = 12,071.75 : x
  2. Step 2: Convert to fraction form
    19,622.36/27,086.70 = 12,071.75/x
  3. Step 3: Cross multiply
    19,622.36x = 27,086.70 × 12,071.75
  4. Step 4: Simplify right side
    19,622.36x = 326,983,870.73
  5. Step 5: Solve for x
    x = 326,983,870.73/19,622.36
  6. Step 6: Final answer
    x = 16,663.84

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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.