Home / 14,326.47-19,768.96-8,274.86

Finding the Fourth Proportional to 14,326.47, 19,768.96 and 8,274.86

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Solution

The fourth proportional to 14,326.47, 19,768.96 and 8,274.86 is: 11,418.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,326.47 : 19,768.96 = 8,274.86 : x
  2. Step 2: Convert to fraction form
    14,326.47/19,768.96 = 8,274.86/x
  3. Step 3: Cross multiply
    14,326.47x = 19,768.96 × 8,274.86
  4. Step 4: Simplify right side
    14,326.47x = 163,585,361.98
  5. Step 5: Solve for x
    x = 163,585,361.98/14,326.47
  6. Step 6: Final answer
    x = 11,418.40

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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.