Home / 13,230.08-19,845.28-5,731.92

Finding the Fourth Proportional to 13,230.08, 19,845.28 and 5,731.92

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Solution

The fourth proportional to 13,230.08, 19,845.28 and 5,731.92 is: 8,597.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,230.08 : 19,845.28 = 5,731.92 : x
  2. Step 2: Convert to fraction form
    13,230.08/19,845.28 = 5,731.92/x
  3. Step 3: Cross multiply
    13,230.08x = 19,845.28 × 5,731.92
  4. Step 4: Simplify right side
    13,230.08x = 113,751,557.34
  5. Step 5: Solve for x
    x = 113,751,557.34/13,230.08
  6. Step 6: Final answer
    x = 8,597.95

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1.5x scale

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.