Home / 17,115.65-23,619.30-9,561.50

Finding the Fourth Proportional to 17,115.65, 23,619.30 and 9,561.50

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Solution

The fourth proportional to 17,115.65, 23,619.30 and 9,561.50 is: 13,194.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,115.65 : 23,619.30 = 9,561.50 : x
  2. Step 2: Convert to fraction form
    17,115.65/23,619.30 = 9,561.50/x
  3. Step 3: Cross multiply
    17,115.65x = 23,619.30 × 9,561.50
  4. Step 4: Simplify right side
    17,115.65x = 225,835,936.95
  5. Step 5: Solve for x
    x = 225,835,936.95/17,115.65
  6. Step 6: Final answer
    x = 13,194.70

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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.