Home / 13,552.40-18,709.83-9,305.97

Finding the Fourth Proportional to 13,552.40, 18,709.83 and 9,305.97

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Solution

The fourth proportional to 13,552.40, 18,709.83 and 9,305.97 is: 12,847.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,552.40 : 18,709.83 = 9,305.97 : x
  2. Step 2: Convert to fraction form
    13,552.40/18,709.83 = 9,305.97/x
  3. Step 3: Cross multiply
    13,552.40x = 18,709.83 × 9,305.97
  4. Step 4: Simplify right side
    13,552.40x = 174,113,116.69
  5. Step 5: Solve for x
    x = 174,113,116.69/13,552.40
  6. Step 6: Final answer
    x = 12,847.41

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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.