Home / 14,284.56-19,713.60-7,997.28

Finding the Fourth Proportional to 14,284.56, 19,713.60 and 7,997.28

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Solution

The fourth proportional to 14,284.56, 19,713.60 and 7,997.28 is: 11,036.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,284.56 : 19,713.60 = 7,997.28 : x
  2. Step 2: Convert to fraction form
    14,284.56/19,713.60 = 7,997.28/x
  3. Step 3: Cross multiply
    14,284.56x = 19,713.60 × 7,997.28
  4. Step 4: Simplify right side
    14,284.56x = 157,655,179.01
  5. Step 5: Solve for x
    x = 157,655,179.01/14,284.56
  6. Step 6: Final answer
    x = 11,036.75

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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.