Home / 16,812.50-23,207.38-13,663.22

Finding the Fourth Proportional to 16,812.50, 23,207.38 and 13,663.22

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Solution

The fourth proportional to 16,812.50, 23,207.38 and 13,663.22 is: 18,860.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,812.50 : 23,207.38 = 13,663.22 : x
  2. Step 2: Convert to fraction form
    16,812.50/23,207.38 = 13,663.22/x
  3. Step 3: Cross multiply
    16,812.50x = 23,207.38 × 13,663.22
  4. Step 4: Simplify right side
    16,812.50x = 317,087,388.37
  5. Step 5: Solve for x
    x = 317,087,388.37/16,812.50
  6. Step 6: Final answer
    x = 18,860.22

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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.