Home / 20,476.09-30,714.11-6,437.35

Finding the Fourth Proportional to 20,476.09, 30,714.11 and 6,437.35

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Solution

The fourth proportional to 20,476.09, 30,714.11 and 6,437.35 is: 9,656.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,476.09 : 30,714.11 = 6,437.35 : x
  2. Step 2: Convert to fraction form
    20,476.09/30,714.11 = 6,437.35/x
  3. Step 3: Cross multiply
    20,476.09x = 30,714.11 × 6,437.35
  4. Step 4: Simplify right side
    20,476.09x = 197,717,401.87
  5. Step 5: Solve for x
    x = 197,717,401.87/20,476.09
  6. Step 6: Final answer
    x = 9,656.01

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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.