Home / 13,263.36-19,891.80-8,907.18

Finding the Fourth Proportional to 13,263.36, 19,891.80 and 8,907.18

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Solution

The fourth proportional to 13,263.36, 19,891.80 and 8,907.18 is: 13,358.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,263.36 : 19,891.80 = 8,907.18 : x
  2. Step 2: Convert to fraction form
    13,263.36/19,891.80 = 8,907.18/x
  3. Step 3: Cross multiply
    13,263.36x = 19,891.80 × 8,907.18
  4. Step 4: Simplify right side
    13,263.36x = 177,179,843.12
  5. Step 5: Solve for x
    x = 177,179,843.12/13,263.36
  6. Step 6: Final answer
    x = 13,358.59

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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.