Home / 11,742.48-17,619.48-4,722.21

Finding the Fourth Proportional to 11,742.48, 17,619.48 and 4,722.21

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Solution

The fourth proportional to 11,742.48, 17,619.48 and 4,722.21 is: 7,085.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,742.48 : 17,619.48 = 4,722.21 : x
  2. Step 2: Convert to fraction form
    11,742.48/17,619.48 = 4,722.21/x
  3. Step 3: Cross multiply
    11,742.48x = 17,619.48 × 4,722.21
  4. Step 4: Simplify right side
    11,742.48x = 83,202,846.50
  5. Step 5: Solve for x
    x = 83,202,846.50/11,742.48
  6. Step 6: Final answer
    x = 7,085.63

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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.