Home / 14,865.09-20,513.66-8,577.33

Finding the Fourth Proportional to 14,865.09, 20,513.66 and 8,577.33

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Solution

The fourth proportional to 14,865.09, 20,513.66 and 8,577.33 is: 11,836.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,865.09 : 20,513.66 = 8,577.33 : x
  2. Step 2: Convert to fraction form
    14,865.09/20,513.66 = 8,577.33/x
  3. Step 3: Cross multiply
    14,865.09x = 20,513.66 × 8,577.33
  4. Step 4: Simplify right side
    14,865.09x = 175,952,388.44
  5. Step 5: Solve for x
    x = 175,952,388.44/14,865.09
  6. Step 6: Final answer
    x = 11,836.62

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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.