Home / 19,636.50-27,089.40-11,674.20

Finding the Fourth Proportional to 19,636.50, 27,089.40 and 11,674.20

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Solution

The fourth proportional to 19,636.50, 27,089.40 and 11,674.20 is: 16,105.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,636.50 : 27,089.40 = 11,674.20 : x
  2. Step 2: Convert to fraction form
    19,636.50/27,089.40 = 11,674.20/x
  3. Step 3: Cross multiply
    19,636.50x = 27,089.40 × 11,674.20
  4. Step 4: Simplify right side
    19,636.50x = 316,247,073.48
  5. Step 5: Solve for x
    x = 316,247,073.48/19,636.50
  6. Step 6: Final answer
    x = 16,105.06

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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.