Home / 21,497.94-32,219.57-11,645.51

Finding the Fourth Proportional to 21,497.94, 32,219.57 and 11,645.51

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Solution

The fourth proportional to 21,497.94, 32,219.57 and 11,645.51 is: 17,453.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,497.94 : 32,219.57 = 11,645.51 : x
  2. Step 2: Convert to fraction form
    21,497.94/32,219.57 = 11,645.51/x
  3. Step 3: Cross multiply
    21,497.94x = 32,219.57 × 11,645.51
  4. Step 4: Simplify right side
    21,497.94x = 375,213,192.65
  5. Step 5: Solve for x
    x = 375,213,192.65/21,497.94
  6. Step 6: Final answer
    x = 17,453.45

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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.