Home / 16,101.72-22,228.73-12,508.63

Finding the Fourth Proportional to 16,101.72, 22,228.73 and 12,508.63

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Solution

The fourth proportional to 16,101.72, 22,228.73 and 12,508.63 is: 17,268.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,101.72 : 22,228.73 = 12,508.63 : x
  2. Step 2: Convert to fraction form
    16,101.72/22,228.73 = 12,508.63/x
  3. Step 3: Cross multiply
    16,101.72x = 22,228.73 × 12,508.63
  4. Step 4: Simplify right side
    16,101.72x = 278,050,958.94
  5. Step 5: Solve for x
    x = 278,050,958.94/16,101.72
  6. Step 6: Final answer
    x = 17,268.40

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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.