Home / 15,937.51-21,993.37-9,222.21

Finding the Fourth Proportional to 15,937.51, 21,993.37 and 9,222.21

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Solution

The fourth proportional to 15,937.51, 21,993.37 and 9,222.21 is: 12,726.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,937.51 : 21,993.37 = 9,222.21 : x
  2. Step 2: Convert to fraction form
    15,937.51/21,993.37 = 9,222.21/x
  3. Step 3: Cross multiply
    15,937.51x = 21,993.37 × 9,222.21
  4. Step 4: Simplify right side
    15,937.51x = 202,827,476.75
  5. Step 5: Solve for x
    x = 202,827,476.75/15,937.51
  6. Step 6: Final answer
    x = 12,726.42

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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.