Home / 18,730.06-28,099.19-7,043.27

Finding the Fourth Proportional to 18,730.06, 28,099.19 and 7,043.27

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Solution

The fourth proportional to 18,730.06, 28,099.19 and 7,043.27 is: 10,566.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,730.06 : 28,099.19 = 7,043.27 : x
  2. Step 2: Convert to fraction form
    18,730.06/28,099.19 = 7,043.27/x
  3. Step 3: Cross multiply
    18,730.06x = 28,099.19 × 7,043.27
  4. Step 4: Simplify right side
    18,730.06x = 197,910,269.81
  5. Step 5: Solve for x
    x = 197,910,269.81/18,730.06
  6. Step 6: Final answer
    x = 10,566.45

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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.