Home / 14,355.39-19,806.80-8,383.26

Finding the Fourth Proportional to 14,355.39, 19,806.80 and 8,383.26

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Solution

The fourth proportional to 14,355.39, 19,806.80 and 8,383.26 is: 11,566.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,355.39 : 19,806.80 = 8,383.26 : x
  2. Step 2: Convert to fraction form
    14,355.39/19,806.80 = 8,383.26/x
  3. Step 3: Cross multiply
    14,355.39x = 19,806.80 × 8,383.26
  4. Step 4: Simplify right side
    14,355.39x = 166,045,455.13
  5. Step 5: Solve for x
    x = 166,045,455.13/14,355.39
  6. Step 6: Final answer
    x = 11,566.77

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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.