Home / 17,239.70-23,789.89-9,686.35

Finding the Fourth Proportional to 17,239.70, 23,789.89 and 9,686.35

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Solution

The fourth proportional to 17,239.70, 23,789.89 and 9,686.35 is: 13,366.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,239.70 : 23,789.89 = 9,686.35 : x
  2. Step 2: Convert to fraction form
    17,239.70/23,789.89 = 9,686.35/x
  3. Step 3: Cross multiply
    17,239.70x = 23,789.89 × 9,686.35
  4. Step 4: Simplify right side
    17,239.70x = 230,437,201.00
  5. Step 5: Solve for x
    x = 230,437,201.00/17,239.70
  6. Step 6: Final answer
    x = 13,366.66

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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.