Home / 14,557.74-20,090.39-8,186.33

Finding the Fourth Proportional to 14,557.74, 20,090.39 and 8,186.33

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Solution

The fourth proportional to 14,557.74, 20,090.39 and 8,186.33 is: 11,297.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,557.74 : 20,090.39 = 8,186.33 : x
  2. Step 2: Convert to fraction form
    14,557.74/20,090.39 = 8,186.33/x
  3. Step 3: Cross multiply
    14,557.74x = 20,090.39 × 8,186.33
  4. Step 4: Simplify right side
    14,557.74x = 164,466,617.71
  5. Step 5: Solve for x
    x = 164,466,617.71/14,557.74
  6. Step 6: Final answer
    x = 11,297.54

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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.