Home / 18,817.54-28,229.06-5,670.93

Finding the Fourth Proportional to 18,817.54, 28,229.06 and 5,670.93

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Solution

The fourth proportional to 18,817.54, 28,229.06 and 5,670.93 is: 8,507.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,817.54 : 28,229.06 = 5,670.93 : x
  2. Step 2: Convert to fraction form
    18,817.54/28,229.06 = 5,670.93/x
  3. Step 3: Cross multiply
    18,817.54x = 28,229.06 × 5,670.93
  4. Step 4: Simplify right side
    18,817.54x = 160,085,023.23
  5. Step 5: Solve for x
    x = 160,085,023.23/18,817.54
  6. Step 6: Final answer
    x = 8,507.22

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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.