Home / 14,659.05-20,228.49-9,353.28

Finding the Fourth Proportional to 14,659.05, 20,228.49 and 9,353.28

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Solution

The fourth proportional to 14,659.05, 20,228.49 and 9,353.28 is: 12,906.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,659.05 : 20,228.49 = 9,353.28 : x
  2. Step 2: Convert to fraction form
    14,659.05/20,228.49 = 9,353.28/x
  3. Step 3: Cross multiply
    14,659.05x = 20,228.49 × 9,353.28
  4. Step 4: Simplify right side
    14,659.05x = 189,202,730.95
  5. Step 5: Solve for x
    x = 189,202,730.95/14,659.05
  6. Step 6: Final answer
    x = 12,906.89

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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.