Home / 13,092.30-19,639.26-6,511.86

Finding the Fourth Proportional to 13,092.30, 19,639.26 and 6,511.86

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Solution

The fourth proportional to 13,092.30, 19,639.26 and 6,511.86 is: 9,768.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,092.30 : 19,639.26 = 6,511.86 : x
  2. Step 2: Convert to fraction form
    13,092.30/19,639.26 = 6,511.86/x
  3. Step 3: Cross multiply
    13,092.30x = 19,639.26 × 6,511.86
  4. Step 4: Simplify right side
    13,092.30x = 127,888,111.62
  5. Step 5: Solve for x
    x = 127,888,111.62/13,092.30
  6. Step 6: Final answer
    x = 9,768.19

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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.