Home / 15,971.00-23,971.26-8,079.09

Finding the Fourth Proportional to 15,971.00, 23,971.26 and 8,079.09

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Solution

The fourth proportional to 15,971.00, 23,971.26 and 8,079.09 is: 12,126.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,971.00 : 23,971.26 = 8,079.09 : x
  2. Step 2: Convert to fraction form
    15,971.00/23,971.26 = 8,079.09/x
  3. Step 3: Cross multiply
    15,971.00x = 23,971.26 × 8,079.09
  4. Step 4: Simplify right side
    15,971.00x = 193,665,966.95
  5. Step 5: Solve for x
    x = 193,665,966.95/15,971.00
  6. Step 6: Final answer
    x = 12,126.11

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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.