Home / 13,279.36-19,924.80-6,349.36

Finding the Fourth Proportional to 13,279.36, 19,924.80 and 6,349.36

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Solution

The fourth proportional to 13,279.36, 19,924.80 and 6,349.36 is: 9,526.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,279.36 : 19,924.80 = 6,349.36 : x
  2. Step 2: Convert to fraction form
    13,279.36/19,924.80 = 6,349.36/x
  3. Step 3: Cross multiply
    13,279.36x = 19,924.80 × 6,349.36
  4. Step 4: Simplify right side
    13,279.36x = 126,509,728.13
  5. Step 5: Solve for x
    x = 126,509,728.13/13,279.36
  6. Step 6: Final answer
    x = 9,526.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.