Home / 13,674.15-20,514.13-4,316.87

Finding the Fourth Proportional to 13,674.15, 20,514.13 and 4,316.87

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Solution

The fourth proportional to 13,674.15, 20,514.13 and 4,316.87 is: 6,476.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,674.15 : 20,514.13 = 4,316.87 : x
  2. Step 2: Convert to fraction form
    13,674.15/20,514.13 = 4,316.87/x
  3. Step 3: Cross multiply
    13,674.15x = 20,514.13 × 4,316.87
  4. Step 4: Simplify right side
    13,674.15x = 88,556,872.87
  5. Step 5: Solve for x
    x = 88,556,872.87/13,674.15
  6. Step 6: Final answer
    x = 6,476.23

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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.