Home / 14,284.69-19,712.87-7,997.20

Finding the Fourth Proportional to 14,284.69, 19,712.87 and 7,997.20

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Solution

The fourth proportional to 14,284.69, 19,712.87 and 7,997.20 is: 11,036.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,284.69 : 19,712.87 = 7,997.20 : x
  2. Step 2: Convert to fraction form
    14,284.69/19,712.87 = 7,997.20/x
  3. Step 3: Cross multiply
    14,284.69x = 19,712.87 × 7,997.20
  4. Step 4: Simplify right side
    14,284.69x = 157,647,734.67
  5. Step 5: Solve for x
    x = 157,647,734.67/14,284.69
  6. Step 6: Final answer
    x = 11,036.13

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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.