Home / 11,856.13-17,786.85-6,314.77

Finding the Fourth Proportional to 11,856.13, 17,786.85 and 6,314.77

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Solution

The fourth proportional to 11,856.13, 17,786.85 and 6,314.77 is: 9,473.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,856.13 : 17,786.85 = 6,314.77 : x
  2. Step 2: Convert to fraction form
    11,856.13/17,786.85 = 6,314.77/x
  3. Step 3: Cross multiply
    11,856.13x = 17,786.85 × 6,314.77
  4. Step 4: Simplify right side
    11,856.13x = 112,319,866.77
  5. Step 5: Solve for x
    x = 112,319,866.77/11,856.13
  6. Step 6: Final answer
    x = 9,473.57

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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.