Home / 13,256.32-18,293.73-7,288.09

Finding the Fourth Proportional to 13,256.32, 18,293.73 and 7,288.09

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Solution

The fourth proportional to 13,256.32, 18,293.73 and 7,288.09 is: 10,057.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256.32 : 18,293.73 = 7,288.09 : x
  2. Step 2: Convert to fraction form
    13,256.32/18,293.73 = 7,288.09/x
  3. Step 3: Cross multiply
    13,256.32x = 18,293.73 × 7,288.09
  4. Step 4: Simplify right side
    13,256.32x = 133,326,304.94
  5. Step 5: Solve for x
    x = 133,326,304.94/13,256.32
  6. Step 6: Final answer
    x = 10,057.57

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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.