Home / 16,078.47-22,184.27-9,274.57

Finding the Fourth Proportional to 16,078.47, 22,184.27 and 9,274.57

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Solution

The fourth proportional to 16,078.47, 22,184.27 and 9,274.57 is: 12,796.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,078.47 : 22,184.27 = 9,274.57 : x
  2. Step 2: Convert to fraction form
    16,078.47/22,184.27 = 9,274.57/x
  3. Step 3: Cross multiply
    16,078.47x = 22,184.27 × 9,274.57
  4. Step 4: Simplify right side
    16,078.47x = 205,749,674.92
  5. Step 5: Solve for x
    x = 205,749,674.92/16,078.47
  6. Step 6: Final answer
    x = 12,796.59

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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.