Home / 21,618.16-32,415.97-10,208.17

Finding the Fourth Proportional to 21,618.16, 32,415.97 and 10,208.17

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Solution

The fourth proportional to 21,618.16, 32,415.97 and 10,208.17 is: 15,306.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,618.16 : 32,415.97 = 10,208.17 : x
  2. Step 2: Convert to fraction form
    21,618.16/32,415.97 = 10,208.17/x
  3. Step 3: Cross multiply
    21,618.16x = 32,415.97 × 10,208.17
  4. Step 4: Simplify right side
    21,618.16x = 330,907,732.47
  5. Step 5: Solve for x
    x = 330,907,732.47/21,618.16
  6. Step 6: Final answer
    x = 15,306.93

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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.