Home / 13,184.08-19,765.28-6,160.62

Finding the Fourth Proportional to 13,184.08, 19,765.28 and 6,160.62

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Solution

The fourth proportional to 13,184.08, 19,765.28 and 6,160.62 is: 9,235.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,184.08 : 19,765.28 = 6,160.62 : x
  2. Step 2: Convert to fraction form
    13,184.08/19,765.28 = 6,160.62/x
  3. Step 3: Cross multiply
    13,184.08x = 19,765.28 × 6,160.62
  4. Step 4: Simplify right side
    13,184.08x = 121,766,379.27
  5. Step 5: Solve for x
    x = 121,766,379.27/13,184.08
  6. Step 6: Final answer
    x = 9,235.86

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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.