Home / 18,230.08-27,346.46-6,543.40

Finding the Fourth Proportional to 18,230.08, 27,346.46 and 6,543.40

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Solution

The fourth proportional to 18,230.08, 27,346.46 and 6,543.40 is: 9,815.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,230.08 : 27,346.46 = 6,543.40 : x
  2. Step 2: Convert to fraction form
    18,230.08/27,346.46 = 6,543.40/x
  3. Step 3: Cross multiply
    18,230.08x = 27,346.46 × 6,543.40
  4. Step 4: Simplify right side
    18,230.08x = 178,938,826.36
  5. Step 5: Solve for x
    x = 178,938,826.36/18,230.08
  6. Step 6: Final answer
    x = 9,815.58

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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.