Home / 13,256.30-18,293.44-7,287.91

Finding the Fourth Proportional to 13,256.30, 18,293.44 and 7,287.91

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Solution

The fourth proportional to 13,256.30, 18,293.44 and 7,287.91 is: 10,057.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256.30 : 18,293.44 = 7,287.91 : x
  2. Step 2: Convert to fraction form
    13,256.30/18,293.44 = 7,287.91/x
  3. Step 3: Cross multiply
    13,256.30x = 18,293.44 × 7,287.91
  4. Step 4: Simplify right side
    13,256.30x = 133,320,944.31
  5. Step 5: Solve for x
    x = 133,320,944.31/13,256.30
  6. Step 6: Final answer
    x = 10,057.18

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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.