Home / 18,764.06-28,145.07-4,723.92

Finding the Fourth Proportional to 18,764.06, 28,145.07 and 4,723.92

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Solution

The fourth proportional to 18,764.06, 28,145.07 and 4,723.92 is: 7,085.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,764.06 : 28,145.07 = 4,723.92 : x
  2. Step 2: Convert to fraction form
    18,764.06/28,145.07 = 4,723.92/x
  3. Step 3: Cross multiply
    18,764.06x = 28,145.07 × 4,723.92
  4. Step 4: Simplify right side
    18,764.06x = 132,955,059.07
  5. Step 5: Solve for x
    x = 132,955,059.07/18,764.06
  6. Step 6: Final answer
    x = 7,085.63

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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.