Home / 16,434.87-22,690.49-12,650.91

Finding the Fourth Proportional to 16,434.87, 22,690.49 and 12,650.91

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Solution

The fourth proportional to 16,434.87, 22,690.49 and 12,650.91 is: 17,466.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,434.87 : 22,690.49 = 12,650.91 : x
  2. Step 2: Convert to fraction form
    16,434.87/22,690.49 = 12,650.91/x
  3. Step 3: Cross multiply
    16,434.87x = 22,690.49 × 12,650.91
  4. Step 4: Simplify right side
    16,434.87x = 287,055,346.85
  5. Step 5: Solve for x
    x = 287,055,346.85/16,434.87
  6. Step 6: Final answer
    x = 17,466.24

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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.