Home / 18,511.10-27,769.08-9,746.50

Finding the Fourth Proportional to 18,511.10, 27,769.08 and 9,746.50

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Solution

The fourth proportional to 18,511.10, 27,769.08 and 9,746.50 is: 14,621.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,511.10 : 27,769.08 = 9,746.50 : x
  2. Step 2: Convert to fraction form
    18,511.10/27,769.08 = 9,746.50/x
  3. Step 3: Cross multiply
    18,511.10x = 27,769.08 × 9,746.50
  4. Step 4: Simplify right side
    18,511.10x = 270,651,338.22
  5. Step 5: Solve for x
    x = 270,651,338.22/18,511.10
  6. Step 6: Final answer
    x = 14,621.03

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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.