Home / 14,689.08-20,286.06-12,580.92

Finding the Fourth Proportional to 14,689.08, 20,286.06 and 12,580.92

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Solution

The fourth proportional to 14,689.08, 20,286.06 and 12,580.92 is: 17,374.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,689.08 : 20,286.06 = 12,580.92 : x
  2. Step 2: Convert to fraction form
    14,689.08/20,286.06 = 12,580.92/x
  3. Step 3: Cross multiply
    14,689.08x = 20,286.06 × 12,580.92
  4. Step 4: Simplify right side
    14,689.08x = 255,217,297.98
  5. Step 5: Solve for x
    x = 255,217,297.98/14,689.08
  6. Step 6: Final answer
    x = 17,374.63

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Double scale
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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.