Home / 16,718.64-25,175.60-12,366.72

Finding the Fourth Proportional to 16,718.64, 25,175.60 and 12,366.72

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Solution

The fourth proportional to 16,718.64, 25,175.60 and 12,366.72 is: 18,622.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,718.64 : 25,175.60 = 12,366.72 : x
  2. Step 2: Convert to fraction form
    16,718.64/25,175.60 = 12,366.72/x
  3. Step 3: Cross multiply
    16,718.64x = 25,175.60 × 12,366.72
  4. Step 4: Simplify right side
    16,718.64x = 311,339,596.03
  5. Step 5: Solve for x
    x = 311,339,596.03/16,718.64
  6. Step 6: Final answer
    x = 18,622.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.