Home / 13,758.09-20,641.56-6,264.33

Finding the Fourth Proportional to 13,758.09, 20,641.56 and 6,264.33

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Solution

The fourth proportional to 13,758.09, 20,641.56 and 6,264.33 is: 9,398.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,758.09 : 20,641.56 = 6,264.33 : x
  2. Step 2: Convert to fraction form
    13,758.09/20,641.56 = 6,264.33/x
  3. Step 3: Cross multiply
    13,758.09x = 20,641.56 × 6,264.33
  4. Step 4: Simplify right side
    13,758.09x = 129,305,489.64
  5. Step 5: Solve for x
    x = 129,305,489.64/13,758.09
  6. Step 6: Final answer
    x = 9,398.51

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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.