Home / 13,192.85-18,205.89-7,224.23

Finding the Fourth Proportional to 13,192.85, 18,205.89 and 7,224.23

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Solution

The fourth proportional to 13,192.85, 18,205.89 and 7,224.23 is: 9,969.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,192.85 : 18,205.89 = 7,224.23 : x
  2. Step 2: Convert to fraction form
    13,192.85/18,205.89 = 7,224.23/x
  3. Step 3: Cross multiply
    13,192.85x = 18,205.89 × 7,224.23
  4. Step 4: Simplify right side
    13,192.85x = 131,523,536.71
  5. Step 5: Solve for x
    x = 131,523,536.71/13,192.85
  6. Step 6: Final answer
    x = 9,969.30

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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.