Home / 13,253.24-18,289.17-7,203.34

Finding the Fourth Proportional to 13,253.24, 18,289.17 and 7,203.34

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Solution

The fourth proportional to 13,253.24, 18,289.17 and 7,203.34 is: 9,940.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,253.24 : 18,289.17 = 7,203.34 : x
  2. Step 2: Convert to fraction form
    13,253.24/18,289.17 = 7,203.34/x
  3. Step 3: Cross multiply
    13,253.24x = 18,289.17 × 7,203.34
  4. Step 4: Simplify right side
    13,253.24x = 131,743,109.83
  5. Step 5: Solve for x
    x = 131,743,109.83/13,253.24
  6. Step 6: Final answer
    x = 9,940.45

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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.