Home / 22,247.90-30,699.07-13,293.51

Finding the Fourth Proportional to 22,247.90, 30,699.07 and 13,293.51

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Solution

The fourth proportional to 22,247.90, 30,699.07 and 13,293.51 is: 18,343.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,247.90 : 30,699.07 = 13,293.51 : x
  2. Step 2: Convert to fraction form
    22,247.90/30,699.07 = 13,293.51/x
  3. Step 3: Cross multiply
    22,247.90x = 30,699.07 × 13,293.51
  4. Step 4: Simplify right side
    22,247.90x = 408,098,174.07
  5. Step 5: Solve for x
    x = 408,098,174.07/22,247.90
  6. Step 6: Final answer
    x = 18,343.23

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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.