Home / 18,982.35-26,171.24-15,566.83

Finding the Fourth Proportional to 18,982.35, 26,171.24 and 15,566.83

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Solution

The fourth proportional to 18,982.35, 26,171.24 and 15,566.83 is: 21,462.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,982.35 : 26,171.24 = 15,566.83 : x
  2. Step 2: Convert to fraction form
    18,982.35/26,171.24 = 15,566.83/x
  3. Step 3: Cross multiply
    18,982.35x = 26,171.24 × 15,566.83
  4. Step 4: Simplify right side
    18,982.35x = 407,403,100.71
  5. Step 5: Solve for x
    x = 407,403,100.71/18,982.35
  6. Step 6: Final answer
    x = 21,462.21

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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.