Home / 18,822.18-28,233.28-4,783.26

Finding the Fourth Proportional to 18,822.18, 28,233.28 and 4,783.26

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Solution

The fourth proportional to 18,822.18, 28,233.28 and 4,783.26 is: 7,174.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,822.18 : 28,233.28 = 4,783.26 : x
  2. Step 2: Convert to fraction form
    18,822.18/28,233.28 = 4,783.26/x
  3. Step 3: Cross multiply
    18,822.18x = 28,233.28 × 4,783.26
  4. Step 4: Simplify right side
    18,822.18x = 135,047,118.89
  5. Step 5: Solve for x
    x = 135,047,118.89/18,822.18
  6. Step 6: Final answer
    x = 7,174.89

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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.