Home / 13,256.06-18,293.27-7,287.57

Finding the Fourth Proportional to 13,256.06, 18,293.27 and 7,287.57

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Solution

The fourth proportional to 13,256.06, 18,293.27 and 7,287.57 is: 10,056.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256.06 : 18,293.27 = 7,287.57 : x
  2. Step 2: Convert to fraction form
    13,256.06/18,293.27 = 7,287.57/x
  3. Step 3: Cross multiply
    13,256.06x = 18,293.27 × 7,287.57
  4. Step 4: Simplify right side
    13,256.06x = 133,313,449.22
  5. Step 5: Solve for x
    x = 133,313,449.22/13,256.06
  6. Step 6: Final answer
    x = 10,056.80

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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.