Home / 13,256.22-18,293.94-7,288.04

Finding the Fourth Proportional to 13,256.22, 18,293.94 and 7,288.04

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Solution

The fourth proportional to 13,256.22, 18,293.94 and 7,288.04 is: 10,057.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256.22 : 18,293.94 = 7,288.04 : x
  2. Step 2: Convert to fraction form
    13,256.22/18,293.94 = 7,288.04/x
  3. Step 3: Cross multiply
    13,256.22x = 18,293.94 × 7,288.04
  4. Step 4: Simplify right side
    13,256.22x = 133,326,966.48
  5. Step 5: Solve for x
    x = 133,326,966.48/13,256.22
  6. Step 6: Final answer
    x = 10,057.69

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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.