Home / 16,113.86-22,237.31-8,943.92

Finding the Fourth Proportional to 16,113.86, 22,237.31 and 8,943.92

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Solution

The fourth proportional to 16,113.86, 22,237.31 and 8,943.92 is: 12,342.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,113.86 : 22,237.31 = 8,943.92 : x
  2. Step 2: Convert to fraction form
    16,113.86/22,237.31 = 8,943.92/x
  3. Step 3: Cross multiply
    16,113.86x = 22,237.31 × 8,943.92
  4. Step 4: Simplify right side
    16,113.86x = 198,888,628.52
  5. Step 5: Solve for x
    x = 198,888,628.52/16,113.86
  6. Step 6: Final answer
    x = 12,342.71

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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.