Home / 14,028.88-19,360.73-7,979.47

Finding the Fourth Proportional to 14,028.88, 19,360.73 and 7,979.47

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Solution

The fourth proportional to 14,028.88, 19,360.73 and 7,979.47 is: 11,012.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,028.88 : 19,360.73 = 7,979.47 : x
  2. Step 2: Convert to fraction form
    14,028.88/19,360.73 = 7,979.47/x
  3. Step 3: Cross multiply
    14,028.88x = 19,360.73 × 7,979.47
  4. Step 4: Simplify right side
    14,028.88x = 154,488,364.21
  5. Step 5: Solve for x
    x = 154,488,364.21/14,028.88
  6. Step 6: Final answer
    x = 11,012.17

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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.