Home / 9,319.36-13,979.52-8,852.80

Finding the Fourth Proportional to 9,319.36, 13,979.52 and 8,852.80

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Solution

The fourth proportional to 9,319.36, 13,979.52 and 8,852.80 is: 13,279.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,319.36 : 13,979.52 = 8,852.80 : x
  2. Step 2: Convert to fraction form
    9,319.36/13,979.52 = 8,852.80/x
  3. Step 3: Cross multiply
    9,319.36x = 13,979.52 × 8,852.80
  4. Step 4: Simplify right side
    9,319.36x = 123,757,894.66
  5. Step 5: Solve for x
    x = 123,757,894.66/9,319.36
  6. Step 6: Final answer
    x = 13,279.66

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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.