Home / 13,799.06-20,679.95-9,894.86

Finding the Fourth Proportional to 13,799.06, 20,679.95 and 9,894.86

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Solution

The fourth proportional to 13,799.06, 20,679.95 and 9,894.86 is: 14,828.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,799.06 : 20,679.95 = 9,894.86 : x
  2. Step 2: Convert to fraction form
    13,799.06/20,679.95 = 9,894.86/x
  3. Step 3: Cross multiply
    13,799.06x = 20,679.95 × 9,894.86
  4. Step 4: Simplify right side
    13,799.06x = 204,625,057.18
  5. Step 5: Solve for x
    x = 204,625,057.18/13,799.06
  6. Step 6: Final answer
    x = 14,828.92

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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.