Home / 20,496.99-28,292.93-12,001.85

Finding the Fourth Proportional to 20,496.99, 28,292.93 and 12,001.85

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Solution

The fourth proportional to 20,496.99, 28,292.93 and 12,001.85 is: 16,566.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,496.99 : 28,292.93 = 12,001.85 : x
  2. Step 2: Convert to fraction form
    20,496.99/28,292.93 = 12,001.85/x
  3. Step 3: Cross multiply
    20,496.99x = 28,292.93 × 12,001.85
  4. Step 4: Simplify right side
    20,496.99x = 339,567,422.61
  5. Step 5: Solve for x
    x = 339,567,422.61/20,496.99
  6. Step 6: Final answer
    x = 16,566.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.