Home / 20,013.08-29,994.10-7,521.66

Finding the Fourth Proportional to 20,013.08, 29,994.10 and 7,521.66

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Solution

The fourth proportional to 20,013.08, 29,994.10 and 7,521.66 is: 11,272.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,013.08 : 29,994.10 = 7,521.66 : x
  2. Step 2: Convert to fraction form
    20,013.08/29,994.10 = 7,521.66/x
  3. Step 3: Cross multiply
    20,013.08x = 29,994.10 × 7,521.66
  4. Step 4: Simplify right side
    20,013.08x = 225,605,403.40
  5. Step 5: Solve for x
    x = 225,605,403.40/20,013.08
  6. Step 6: Final answer
    x = 11,272.90

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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.