Home / 18,739.49-28,099.91-6,255.23

Finding the Fourth Proportional to 18,739.49, 28,099.91 and 6,255.23

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Solution

The fourth proportional to 18,739.49, 28,099.91 and 6,255.23 is: 9,379.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,739.49 : 28,099.91 = 6,255.23 : x
  2. Step 2: Convert to fraction form
    18,739.49/28,099.91 = 6,255.23/x
  3. Step 3: Cross multiply
    18,739.49x = 28,099.91 × 6,255.23
  4. Step 4: Simplify right side
    18,739.49x = 175,771,275.17
  5. Step 5: Solve for x
    x = 175,771,275.17/18,739.49
  6. Step 6: Final answer
    x = 9,379.73

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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.