Home / 20,001-29,985.30-8,322.96

Finding the Fourth Proportional to 20,001, 29,985.30 and 8,322.96

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Solution

The fourth proportional to 20,001, 29,985.30 and 8,322.96 is: 12,477.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,001 : 29,985.30 = 8,322.96 : x
  2. Step 2: Convert to fraction form
    20,001/29,985.30 = 8,322.96/x
  3. Step 3: Cross multiply
    20,001x = 29,985.30 × 8,322.96
  4. Step 4: Simplify right side
    20,001x = 249,566,452.49
  5. Step 5: Solve for x
    x = 249,566,452.49/20,001
  6. Step 6: Final answer
    x = 12,477.70

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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.