Home / 14,777.15-20,392.31-8,062.79

Finding the Fourth Proportional to 14,777.15, 20,392.31 and 8,062.79

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Solution

The fourth proportional to 14,777.15, 20,392.31 and 8,062.79 is: 11,126.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,777.15 : 20,392.31 = 8,062.79 : x
  2. Step 2: Convert to fraction form
    14,777.15/20,392.31 = 8,062.79/x
  3. Step 3: Cross multiply
    14,777.15x = 20,392.31 × 8,062.79
  4. Step 4: Simplify right side
    14,777.15x = 164,418,831.34
  5. Step 5: Solve for x
    x = 164,418,831.34/14,777.15
  6. Step 6: Final answer
    x = 11,126.56

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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.