Home / 16,879.20-23,293.27-9,427.20

Finding the Fourth Proportional to 16,879.20, 23,293.27 and 9,427.20

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Solution

The fourth proportional to 16,879.20, 23,293.27 and 9,427.20 is: 13,009.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,879.20 : 23,293.27 = 9,427.20 : x
  2. Step 2: Convert to fraction form
    16,879.20/23,293.27 = 9,427.20/x
  3. Step 3: Cross multiply
    16,879.20x = 23,293.27 × 9,427.20
  4. Step 4: Simplify right side
    16,879.20x = 219,590,314.94
  5. Step 5: Solve for x
    x = 219,590,314.94/16,879.20
  6. Step 6: Final answer
    x = 13,009.52

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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.