Home / 45,116.86-67,653.96-13,514.74

Finding the Fourth Proportional to 45,116.86, 67,653.96 and 13,514.74

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Solution

The fourth proportional to 45,116.86, 67,653.96 and 13,514.74 is: 20,265.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,116.86 : 67,653.96 = 13,514.74 : x
  2. Step 2: Convert to fraction form
    45,116.86/67,653.96 = 13,514.74/x
  3. Step 3: Cross multiply
    45,116.86x = 67,653.96 × 13,514.74
  4. Step 4: Simplify right side
    45,116.86x = 914,325,679.37
  5. Step 5: Solve for x
    x = 914,325,679.37/45,116.86
  6. Step 6: Final answer
    x = 20,265.72

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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.