Home / 14,858.33-20,503.95-8,143.88

Finding the Fourth Proportional to 14,858.33, 20,503.95 and 8,143.88

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Solution

The fourth proportional to 14,858.33, 20,503.95 and 8,143.88 is: 11,238.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,858.33 : 20,503.95 = 8,143.88 : x
  2. Step 2: Convert to fraction form
    14,858.33/20,503.95 = 8,143.88/x
  3. Step 3: Cross multiply
    14,858.33x = 20,503.95 × 8,143.88
  4. Step 4: Simplify right side
    14,858.33x = 166,981,708.33
  5. Step 5: Solve for x
    x = 166,981,708.33/14,858.33
  6. Step 6: Final answer
    x = 11,238.26

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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.