Home / 19,161.43-28,732.89-6,681.16

Finding the Fourth Proportional to 19,161.43, 28,732.89 and 6,681.16

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Solution

The fourth proportional to 19,161.43, 28,732.89 and 6,681.16 is: 10,018.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,161.43 : 28,732.89 = 6,681.16 : x
  2. Step 2: Convert to fraction form
    19,161.43/28,732.89 = 6,681.16/x
  3. Step 3: Cross multiply
    19,161.43x = 28,732.89 × 6,681.16
  4. Step 4: Simplify right side
    19,161.43x = 191,969,035.35
  5. Step 5: Solve for x
    x = 191,969,035.35/19,161.43
  6. Step 6: Final answer
    x = 10,018.51

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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.