Home / 22,622.69-31,223.07-13,191.26

Finding the Fourth Proportional to 22,622.69, 31,223.07 and 13,191.26

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Solution

The fourth proportional to 22,622.69, 31,223.07 and 13,191.26 is: 18,206.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,622.69 : 31,223.07 = 13,191.26 : x
  2. Step 2: Convert to fraction form
    22,622.69/31,223.07 = 13,191.26/x
  3. Step 3: Cross multiply
    22,622.69x = 31,223.07 × 13,191.26
  4. Step 4: Simplify right side
    22,622.69x = 411,871,478.25
  5. Step 5: Solve for x
    x = 411,871,478.25/22,622.69
  6. Step 6: Final answer
    x = 18,206.12

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.