Home / 13,514.76-20,282.44-10,888.68

Finding the Fourth Proportional to 13,514.76, 20,282.44 and 10,888.68

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Solution

The fourth proportional to 13,514.76, 20,282.44 and 10,888.68 is: 16,341.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,514.76 : 20,282.44 = 10,888.68 : x
  2. Step 2: Convert to fraction form
    13,514.76/20,282.44 = 10,888.68/x
  3. Step 3: Cross multiply
    13,514.76x = 20,282.44 × 10,888.68
  4. Step 4: Simplify right side
    13,514.76x = 220,848,998.78
  5. Step 5: Solve for x
    x = 220,848,998.78/13,514.76
  6. Step 6: Final answer
    x = 16,341.32

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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.