Home / 16,946.88-25,429.18-12,305.22

Finding the Fourth Proportional to 16,946.88, 25,429.18 and 12,305.22

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Solution

The fourth proportional to 16,946.88, 25,429.18 and 12,305.22 is: 18,464.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,946.88 : 25,429.18 = 12,305.22 : x
  2. Step 2: Convert to fraction form
    16,946.88/25,429.18 = 12,305.22/x
  3. Step 3: Cross multiply
    16,946.88x = 25,429.18 × 12,305.22
  4. Step 4: Simplify right side
    16,946.88x = 312,911,654.32
  5. Step 5: Solve for x
    x = 312,911,654.32/16,946.88
  6. Step 6: Final answer
    x = 18,464.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.