Home / 11,447.19-17,248.79-9,412.77

Finding the Fourth Proportional to 11,447.19, 17,248.79 and 9,412.77

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Solution

The fourth proportional to 11,447.19, 17,248.79 and 9,412.77 is: 14,183.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,447.19 : 17,248.79 = 9,412.77 : x
  2. Step 2: Convert to fraction form
    11,447.19/17,248.79 = 9,412.77/x
  3. Step 3: Cross multiply
    11,447.19x = 17,248.79 × 9,412.77
  4. Step 4: Simplify right side
    11,447.19x = 162,358,845.98
  5. Step 5: Solve for x
    x = 162,358,845.98/11,447.19
  6. Step 6: Final answer
    x = 14,183.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.