Home / 17,986.55-26,982.11-9,655.13

Finding the Fourth Proportional to 17,986.55, 26,982.11 and 9,655.13

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Solution

The fourth proportional to 17,986.55, 26,982.11 and 9,655.13 is: 14,483.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,986.55 : 26,982.11 = 9,655.13 : x
  2. Step 2: Convert to fraction form
    17,986.55/26,982.11 = 9,655.13/x
  3. Step 3: Cross multiply
    17,986.55x = 26,982.11 × 9,655.13
  4. Step 4: Simplify right side
    17,986.55x = 260,515,871.32
  5. Step 5: Solve for x
    x = 260,515,871.32/17,986.55
  6. Step 6: Final answer
    x = 14,483.93

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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.