Home / 16,394.08-22,620.72-9,317.92

Finding the Fourth Proportional to 16,394.08, 22,620.72 and 9,317.92

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Solution

The fourth proportional to 16,394.08, 22,620.72 and 9,317.92 is: 12,856.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,394.08 : 22,620.72 = 9,317.92 : x
  2. Step 2: Convert to fraction form
    16,394.08/22,620.72 = 9,317.92/x
  3. Step 3: Cross multiply
    16,394.08x = 22,620.72 × 9,317.92
  4. Step 4: Simplify right side
    16,394.08x = 210,778,059.30
  5. Step 5: Solve for x
    x = 210,778,059.30/16,394.08
  6. Step 6: Final answer
    x = 12,856.96

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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.