Home / 11,826.11-16,319.42-7,349.77

Finding the Fourth Proportional to 11,826.11, 16,319.42 and 7,349.77

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Solution

The fourth proportional to 11,826.11, 16,319.42 and 7,349.77 is: 10,142.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,826.11 : 16,319.42 = 7,349.77 : x
  2. Step 2: Convert to fraction form
    11,826.11/16,319.42 = 7,349.77/x
  3. Step 3: Cross multiply
    11,826.11x = 16,319.42 × 7,349.77
  4. Step 4: Simplify right side
    11,826.11x = 119,943,994.75
  5. Step 5: Solve for x
    x = 119,943,994.75/11,826.11
  6. Step 6: Final answer
    x = 10,142.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.