Home / 13,265.56-19,894.12-4,379.24

Finding the Fourth Proportional to 13,265.56, 19,894.12 and 4,379.24

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Solution

The fourth proportional to 13,265.56, 19,894.12 and 4,379.24 is: 6,567.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,265.56 : 19,894.12 = 4,379.24 : x
  2. Step 2: Convert to fraction form
    13,265.56/19,894.12 = 4,379.24/x
  3. Step 3: Cross multiply
    13,265.56x = 19,894.12 × 4,379.24
  4. Step 4: Simplify right side
    13,265.56x = 87,121,104.17
  5. Step 5: Solve for x
    x = 87,121,104.17/13,265.56
  6. Step 6: Final answer
    x = 6,567.47

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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.