Home / 14,717.70-20,306.97-9,946.40

Finding the Fourth Proportional to 14,717.70, 20,306.97 and 9,946.40

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Solution

The fourth proportional to 14,717.70, 20,306.97 and 9,946.40 is: 13,723.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,717.70 : 20,306.97 = 9,946.40 : x
  2. Step 2: Convert to fraction form
    14,717.70/20,306.97 = 9,946.40/x
  3. Step 3: Cross multiply
    14,717.70x = 20,306.97 × 9,946.40
  4. Step 4: Simplify right side
    14,717.70x = 201,981,144.87
  5. Step 5: Solve for x
    x = 201,981,144.87/14,717.70
  6. Step 6: Final answer
    x = 13,723.69

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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.