Home / 14,079.42-19,428.93-7,791.66

Finding the Fourth Proportional to 14,079.42, 19,428.93 and 7,791.66

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Solution

The fourth proportional to 14,079.42, 19,428.93 and 7,791.66 is: 10,752.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,079.42 : 19,428.93 = 7,791.66 : x
  2. Step 2: Convert to fraction form
    14,079.42/19,428.93 = 7,791.66/x
  3. Step 3: Cross multiply
    14,079.42x = 19,428.93 × 7,791.66
  4. Step 4: Simplify right side
    14,079.42x = 151,383,616.72
  5. Step 5: Solve for x
    x = 151,383,616.72/14,079.42
  6. Step 6: Final answer
    x = 10,752.12

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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.