Home / 14,079.06-19,428.99-7,791.78

Finding the Fourth Proportional to 14,079.06, 19,428.99 and 7,791.78

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Solution

The fourth proportional to 14,079.06, 19,428.99 and 7,791.78 is: 10,752.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,079.06 : 19,428.99 = 7,791.78 : x
  2. Step 2: Convert to fraction form
    14,079.06/19,428.99 = 7,791.78/x
  3. Step 3: Cross multiply
    14,079.06x = 19,428.99 × 7,791.78
  4. Step 4: Simplify right side
    14,079.06x = 151,386,415.70
  5. Step 5: Solve for x
    x = 151,386,415.70/14,079.06
  6. Step 6: Final answer
    x = 10,752.59

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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.