Home / 16,858.52-25,287.80-6,470.52

Finding the Fourth Proportional to 16,858.52, 25,287.80 and 6,470.52

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Solution

The fourth proportional to 16,858.52, 25,287.80 and 6,470.52 is: 9,705.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,858.52 : 25,287.80 = 6,470.52 : x
  2. Step 2: Convert to fraction form
    16,858.52/25,287.80 = 6,470.52/x
  3. Step 3: Cross multiply
    16,858.52x = 25,287.80 × 6,470.52
  4. Step 4: Simplify right side
    16,858.52x = 163,625,215.66
  5. Step 5: Solve for x
    x = 163,625,215.66/16,858.52
  6. Step 6: Final answer
    x = 9,705.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.