Home / 9,018.70-12,450.99-6,190.18

Finding the Fourth Proportional to 9,018.70, 12,450.99 and 6,190.18

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Solution

The fourth proportional to 9,018.70, 12,450.99 and 6,190.18 is: 8,546.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,018.70 : 12,450.99 = 6,190.18 : x
  2. Step 2: Convert to fraction form
    9,018.70/12,450.99 = 6,190.18/x
  3. Step 3: Cross multiply
    9,018.70x = 12,450.99 × 6,190.18
  4. Step 4: Simplify right side
    9,018.70x = 77,073,869.28
  5. Step 5: Solve for x
    x = 77,073,869.28/9,018.70
  6. Step 6: Final answer
    x = 8,546.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.