Home / 16,879.92-23,293.80-9,326.40

Finding the Fourth Proportional to 16,879.92, 23,293.80 and 9,326.40

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Solution

The fourth proportional to 16,879.92, 23,293.80 and 9,326.40 is: 12,870.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,879.92 : 23,293.80 = 9,326.40 : x
  2. Step 2: Convert to fraction form
    16,879.92/23,293.80 = 9,326.40/x
  3. Step 3: Cross multiply
    16,879.92x = 23,293.80 × 9,326.40
  4. Step 4: Simplify right side
    16,879.92x = 217,247,296.32
  5. Step 5: Solve for x
    x = 217,247,296.32/16,879.92
  6. Step 6: Final answer
    x = 12,870.16

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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.