Home / 18,949.23-28,407.65-7,270.83

Finding the Fourth Proportional to 18,949.23, 28,407.65 and 7,270.83

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Solution

The fourth proportional to 18,949.23, 28,407.65 and 7,270.83 is: 10,900.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,949.23 : 28,407.65 = 7,270.83 : x
  2. Step 2: Convert to fraction form
    18,949.23/28,407.65 = 7,270.83/x
  3. Step 3: Cross multiply
    18,949.23x = 28,407.65 × 7,270.83
  4. Step 4: Simplify right side
    18,949.23x = 206,547,157.50
  5. Step 5: Solve for x
    x = 206,547,157.50/18,949.23
  6. Step 6: Final answer
    x = 10,900.03

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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.