Home / 17,311.50-25,971.57-4,999.50

Finding the Fourth Proportional to 17,311.50, 25,971.57 and 4,999.50

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Solution

The fourth proportional to 17,311.50, 25,971.57 and 4,999.50 is: 7,500.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,311.50 : 25,971.57 = 4,999.50 : x
  2. Step 2: Convert to fraction form
    17,311.50/25,971.57 = 4,999.50/x
  3. Step 3: Cross multiply
    17,311.50x = 25,971.57 × 4,999.50
  4. Step 4: Simplify right side
    17,311.50x = 129,844,864.22
  5. Step 5: Solve for x
    x = 129,844,864.22/17,311.50
  6. Step 6: Final answer
    x = 7,500.50

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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.