Home / 20,207.16-30,303.45-8,514

Finding the Fourth Proportional to 20,207.16, 30,303.45 and 8,514

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Solution

The fourth proportional to 20,207.16, 30,303.45 and 8,514 is: 12,767.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,207.16 : 30,303.45 = 8,514 : x
  2. Step 2: Convert to fraction form
    20,207.16/30,303.45 = 8,514/x
  3. Step 3: Cross multiply
    20,207.16x = 30,303.45 × 8,514
  4. Step 4: Simplify right side
    20,207.16x = 258,003,573.30
  5. Step 5: Solve for x
    x = 258,003,573.30/20,207.16
  6. Step 6: Final answer
    x = 12,767.93

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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.