Home / 13,967.39-19,274.45-7,999.63

Finding the Fourth Proportional to 13,967.39, 19,274.45 and 7,999.63

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Solution

The fourth proportional to 13,967.39, 19,274.45 and 7,999.63 is: 11,039.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,967.39 : 19,274.45 = 7,999.63 : x
  2. Step 2: Convert to fraction form
    13,967.39/19,274.45 = 7,999.63/x
  3. Step 3: Cross multiply
    13,967.39x = 19,274.45 × 7,999.63
  4. Step 4: Simplify right side
    13,967.39x = 154,188,380.27
  5. Step 5: Solve for x
    x = 154,188,380.27/13,967.39
  6. Step 6: Final answer
    x = 11,039.17

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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.