Home / 20,799.57-28,713.99-12,846.41

Finding the Fourth Proportional to 20,799.57, 28,713.99 and 12,846.41

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Solution

The fourth proportional to 20,799.57, 28,713.99 and 12,846.41 is: 17,734.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,799.57 : 28,713.99 = 12,846.41 : x
  2. Step 2: Convert to fraction form
    20,799.57/28,713.99 = 12,846.41/x
  3. Step 3: Cross multiply
    20,799.57x = 28,713.99 × 12,846.41
  4. Step 4: Simplify right side
    20,799.57x = 368,871,688.28
  5. Step 5: Solve for x
    x = 368,871,688.28/20,799.57
  6. Step 6: Final answer
    x = 17,734.58

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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.