Home / 14,986.73-20,682.31-8,615.33

Finding the Fourth Proportional to 14,986.73, 20,682.31 and 8,615.33

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Solution

The fourth proportional to 14,986.73, 20,682.31 and 8,615.33 is: 11,889.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,986.73 : 20,682.31 = 8,615.33 : x
  2. Step 2: Convert to fraction form
    14,986.73/20,682.31 = 8,615.33/x
  3. Step 3: Cross multiply
    14,986.73x = 20,682.31 × 8,615.33
  4. Step 4: Simplify right side
    14,986.73x = 178,184,925.81
  5. Step 5: Solve for x
    x = 178,184,925.81/14,986.73
  6. Step 6: Final answer
    x = 11,889.51

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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.