Home / 18,259.24-27,378.36-7,152.94

Finding the Fourth Proportional to 18,259.24, 27,378.36 and 7,152.94

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Solution

The fourth proportional to 18,259.24, 27,378.36 and 7,152.94 is: 10,725.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,259.24 : 27,378.36 = 7,152.94 : x
  2. Step 2: Convert to fraction form
    18,259.24/27,378.36 = 7,152.94/x
  3. Step 3: Cross multiply
    18,259.24x = 27,378.36 × 7,152.94
  4. Step 4: Simplify right side
    18,259.24x = 195,835,766.38
  5. Step 5: Solve for x
    x = 195,835,766.38/18,259.24
  6. Step 6: Final answer
    x = 10,725.30

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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.