Home / 14,129.64-19,498.93-8,161.26

Finding the Fourth Proportional to 14,129.64, 19,498.93 and 8,161.26

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Solution

The fourth proportional to 14,129.64, 19,498.93 and 8,161.26 is: 11,262.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,129.64 : 19,498.93 = 8,161.26 : x
  2. Step 2: Convert to fraction form
    14,129.64/19,498.93 = 8,161.26/x
  3. Step 3: Cross multiply
    14,129.64x = 19,498.93 × 8,161.26
  4. Step 4: Simplify right side
    14,129.64x = 159,135,743.93
  5. Step 5: Solve for x
    x = 159,135,743.93/14,129.64
  6. Step 6: Final answer
    x = 11,262.55

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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.