Home / 14,282.09-19,703.17-8,613.61

Finding the Fourth Proportional to 14,282.09, 19,703.17 and 8,613.61

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Solution

The fourth proportional to 14,282.09, 19,703.17 and 8,613.61 is: 11,883.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,282.09 : 19,703.17 = 8,613.61 : x
  2. Step 2: Convert to fraction form
    14,282.09/19,703.17 = 8,613.61/x
  3. Step 3: Cross multiply
    14,282.09x = 19,703.17 × 8,613.61
  4. Step 4: Simplify right side
    14,282.09x = 169,715,351.35
  5. Step 5: Solve for x
    x = 169,715,351.35/14,282.09
  6. Step 6: Final answer
    x = 11,883.09

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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.