Home / 13,968.97-19,275.09-8,303.83

Finding the Fourth Proportional to 13,968.97, 19,275.09 and 8,303.83

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Solution

The fourth proportional to 13,968.97, 19,275.09 and 8,303.83 is: 11,458.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,968.97 : 19,275.09 = 8,303.83 : x
  2. Step 2: Convert to fraction form
    13,968.97/19,275.09 = 8,303.83/x
  3. Step 3: Cross multiply
    13,968.97x = 19,275.09 × 8,303.83
  4. Step 4: Simplify right side
    13,968.97x = 160,057,070.59
  5. Step 5: Solve for x
    x = 160,057,070.59/13,968.97
  6. Step 6: Final answer
    x = 11,458.04

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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.