Home / 18,256.89-27,374.77-7,150.57

Finding the Fourth Proportional to 18,256.89, 27,374.77 and 7,150.57

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Solution

The fourth proportional to 18,256.89, 27,374.77 and 7,150.57 is: 10,721.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,256.89 : 27,374.77 = 7,150.57 : x
  2. Step 2: Convert to fraction form
    18,256.89/27,374.77 = 7,150.57/x
  3. Step 3: Cross multiply
    18,256.89x = 27,374.77 × 7,150.57
  4. Step 4: Simplify right side
    18,256.89x = 195,745,259.68
  5. Step 5: Solve for x
    x = 195,745,259.68/18,256.89
  6. Step 6: Final answer
    x = 10,721.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.