Home / 18,943.23-28,414.81-5,795.61

Finding the Fourth Proportional to 18,943.23, 28,414.81 and 5,795.61

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Solution

The fourth proportional to 18,943.23, 28,414.81 and 5,795.61 is: 8,693.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,943.23 : 28,414.81 = 5,795.61 : x
  2. Step 2: Convert to fraction form
    18,943.23/28,414.81 = 5,795.61/x
  3. Step 3: Cross multiply
    18,943.23x = 28,414.81 × 5,795.61
  4. Step 4: Simplify right side
    18,943.23x = 164,681,128.01
  5. Step 5: Solve for x
    x = 164,681,128.01/18,943.23
  6. Step 6: Final answer
    x = 8,693.40

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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.