Home / 17,806.08-26,652.96-9,991.20

Finding the Fourth Proportional to 17,806.08, 26,652.96 and 9,991.20

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Solution

The fourth proportional to 17,806.08, 26,652.96 and 9,991.20 is: 14,955.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,806.08 : 26,652.96 = 9,991.20 : x
  2. Step 2: Convert to fraction form
    17,806.08/26,652.96 = 9,991.20/x
  3. Step 3: Cross multiply
    17,806.08x = 26,652.96 × 9,991.20
  4. Step 4: Simplify right side
    17,806.08x = 266,295,053.95
  5. Step 5: Solve for x
    x = 266,295,053.95/17,806.08
  6. Step 6: Final answer
    x = 14,955.29

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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.