Home / 17,741.80-26,670.30-12,583.40

Finding the Fourth Proportional to 17,741.80, 26,670.30 and 12,583.40

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Solution

The fourth proportional to 17,741.80, 26,670.30 and 12,583.40 is: 18,915.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,741.80 : 26,670.30 = 12,583.40 : x
  2. Step 2: Convert to fraction form
    17,741.80/26,670.30 = 12,583.40/x
  3. Step 3: Cross multiply
    17,741.80x = 26,670.30 × 12,583.40
  4. Step 4: Simplify right side
    17,741.80x = 335,603,053.02
  5. Step 5: Solve for x
    x = 335,603,053.02/17,741.80
  6. Step 6: Final answer
    x = 18,915.95

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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.