Home / 11,705.56-17,550.12-4,309.07

Finding the Fourth Proportional to 11,705.56, 17,550.12 and 4,309.07

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Solution

The fourth proportional to 11,705.56, 17,550.12 and 4,309.07 is: 6,460.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,705.56 : 17,550.12 = 4,309.07 : x
  2. Step 2: Convert to fraction form
    11,705.56/17,550.12 = 4,309.07/x
  3. Step 3: Cross multiply
    11,705.56x = 17,550.12 × 4,309.07
  4. Step 4: Simplify right side
    11,705.56x = 75,624,689.81
  5. Step 5: Solve for x
    x = 75,624,689.81/11,705.56
  6. Step 6: Final answer
    x = 6,460.58

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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.