Home / 13,223.71-18,248.11-7,255.26

Finding the Fourth Proportional to 13,223.71, 18,248.11 and 7,255.26

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Solution

The fourth proportional to 13,223.71, 18,248.11 and 7,255.26 is: 10,011.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,223.71 : 18,248.11 = 7,255.26 : x
  2. Step 2: Convert to fraction form
    13,223.71/18,248.11 = 7,255.26/x
  3. Step 3: Cross multiply
    13,223.71x = 18,248.11 × 7,255.26
  4. Step 4: Simplify right side
    13,223.71x = 132,394,782.56
  5. Step 5: Solve for x
    x = 132,394,782.56/13,223.71
  6. Step 6: Final answer
    x = 10,011.92

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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.