Home / 16,842.87-23,243.25-9,289.47

Finding the Fourth Proportional to 16,842.87, 23,243.25 and 9,289.47

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Solution

The fourth proportional to 16,842.87, 23,243.25 and 9,289.47 is: 12,819.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,842.87 : 23,243.25 = 9,289.47 : x
  2. Step 2: Convert to fraction form
    16,842.87/23,243.25 = 9,289.47/x
  3. Step 3: Cross multiply
    16,842.87x = 23,243.25 × 9,289.47
  4. Step 4: Simplify right side
    16,842.87x = 215,917,473.58
  5. Step 5: Solve for x
    x = 215,917,473.58/16,842.87
  6. Step 6: Final answer
    x = 12,819.52

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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.