Home / 14,712.26-20,303.40-8,338.77

Finding the Fourth Proportional to 14,712.26, 20,303.40 and 8,338.77

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Solution

The fourth proportional to 14,712.26, 20,303.40 and 8,338.77 is: 11,507.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,712.26 : 20,303.40 = 8,338.77 : x
  2. Step 2: Convert to fraction form
    14,712.26/20,303.40 = 8,338.77/x
  3. Step 3: Cross multiply
    14,712.26x = 20,303.40 × 8,338.77
  4. Step 4: Simplify right side
    14,712.26x = 169,305,382.82
  5. Step 5: Solve for x
    x = 169,305,382.82/14,712.26
  6. Step 6: Final answer
    x = 11,507.78

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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.