Home / 17,172.90-23,698.98-9,619.79

Finding the Fourth Proportional to 17,172.90, 23,698.98 and 9,619.79

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Solution

The fourth proportional to 17,172.90, 23,698.98 and 9,619.79 is: 13,275.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,172.90 : 23,698.98 = 9,619.79 : x
  2. Step 2: Convert to fraction form
    17,172.90/23,698.98 = 9,619.79/x
  3. Step 3: Cross multiply
    17,172.90x = 23,698.98 × 9,619.79
  4. Step 4: Simplify right side
    17,172.90x = 227,979,092.32
  5. Step 5: Solve for x
    x = 227,979,092.32/17,172.90
  6. Step 6: Final answer
    x = 13,275.52

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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.