Home / 17,986.24-26,982.60-8,130.16

Finding the Fourth Proportional to 17,986.24, 26,982.60 and 8,130.16

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Solution

The fourth proportional to 17,986.24, 26,982.60 and 8,130.16 is: 12,196.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,986.24 : 26,982.60 = 8,130.16 : x
  2. Step 2: Convert to fraction form
    17,986.24/26,982.60 = 8,130.16/x
  3. Step 3: Cross multiply
    17,986.24x = 26,982.60 × 8,130.16
  4. Step 4: Simplify right side
    17,986.24x = 219,372,855.22
  5. Step 5: Solve for x
    x = 219,372,855.22/17,986.24
  6. Step 6: Final answer
    x = 12,196.70

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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.