Home / 16,990.56-25,487.46-6,603.12

Finding the Fourth Proportional to 16,990.56, 25,487.46 and 6,603.12

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Solution

The fourth proportional to 16,990.56, 25,487.46 and 6,603.12 is: 9,905.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,990.56 : 25,487.46 = 6,603.12 : x
  2. Step 2: Convert to fraction form
    16,990.56/25,487.46 = 6,603.12/x
  3. Step 3: Cross multiply
    16,990.56x = 25,487.46 × 6,603.12
  4. Step 4: Simplify right side
    16,990.56x = 168,296,756.88
  5. Step 5: Solve for x
    x = 168,296,756.88/16,990.56
  6. Step 6: Final answer
    x = 9,905.31

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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.