Home / 13,094.79-19,642.19-10,781.43

Finding the Fourth Proportional to 13,094.79, 19,642.19 and 10,781.43

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Solution

The fourth proportional to 13,094.79, 19,642.19 and 10,781.43 is: 16,172.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,094.79 : 19,642.19 = 10,781.43 : x
  2. Step 2: Convert to fraction form
    13,094.79/19,642.19 = 10,781.43/x
  3. Step 3: Cross multiply
    13,094.79x = 19,642.19 × 10,781.43
  4. Step 4: Simplify right side
    13,094.79x = 211,770,842.62
  5. Step 5: Solve for x
    x = 211,770,842.62/13,094.79
  6. Step 6: Final answer
    x = 16,172.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.