Home / 20,799.64-28,703.08-11,846.91

Finding the Fourth Proportional to 20,799.64, 28,703.08 and 11,846.91

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Solution

The fourth proportional to 20,799.64, 28,703.08 and 11,846.91 is: 16,348.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,799.64 : 28,703.08 = 11,846.91 : x
  2. Step 2: Convert to fraction form
    20,799.64/28,703.08 = 11,846.91/x
  3. Step 3: Cross multiply
    20,799.64x = 28,703.08 × 11,846.91
  4. Step 4: Simplify right side
    20,799.64x = 340,042,799.79
  5. Step 5: Solve for x
    x = 340,042,799.79/20,799.64
  6. Step 6: Final answer
    x = 16,348.50

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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.