Home / 15,629.77-21,568.24-8,554.82

Finding the Fourth Proportional to 15,629.77, 21,568.24 and 8,554.82

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Solution

The fourth proportional to 15,629.77, 21,568.24 and 8,554.82 is: 11,805.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,629.77 : 21,568.24 = 8,554.82 : x
  2. Step 2: Convert to fraction form
    15,629.77/21,568.24 = 8,554.82/x
  3. Step 3: Cross multiply
    15,629.77x = 21,568.24 × 8,554.82
  4. Step 4: Simplify right side
    15,629.77x = 184,512,410.92
  5. Step 5: Solve for x
    x = 184,512,410.92/15,629.77
  6. Step 6: Final answer
    x = 11,805.19

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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.