Home / 14,286.76-19,717.62-8,624.72

Finding the Fourth Proportional to 14,286.76, 19,717.62 and 8,624.72

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Solution

The fourth proportional to 14,286.76, 19,717.62 and 8,624.72 is: 11,903.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,286.76 : 19,717.62 = 8,624.72 : x
  2. Step 2: Convert to fraction form
    14,286.76/19,717.62 = 8,624.72/x
  3. Step 3: Cross multiply
    14,286.76x = 19,717.62 × 8,624.72
  4. Step 4: Simplify right side
    14,286.76x = 170,058,951.57
  5. Step 5: Solve for x
    x = 170,058,951.57/14,286.76
  6. Step 6: Final answer
    x = 11,903.26

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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.