Home / 16,142.05-22,275.51-8,971.93

Finding the Fourth Proportional to 16,142.05, 22,275.51 and 8,971.93

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Solution

The fourth proportional to 16,142.05, 22,275.51 and 8,971.93 is: 12,380.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,142.05 : 22,275.51 = 8,971.93 : x
  2. Step 2: Convert to fraction form
    16,142.05/22,275.51 = 8,971.93/x
  3. Step 3: Cross multiply
    16,142.05x = 22,275.51 × 8,971.93
  4. Step 4: Simplify right side
    16,142.05x = 199,854,260.75
  5. Step 5: Solve for x
    x = 199,854,260.75/16,142.05
  6. Step 6: Final answer
    x = 12,380.97

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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.