Home / 9,721.22-14,581.36-4,453.19

Finding the Fourth Proportional to 9,721.22, 14,581.36 and 4,453.19

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Solution

The fourth proportional to 9,721.22, 14,581.36 and 4,453.19 is: 6,679.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,721.22 : 14,581.36 = 4,453.19 : x
  2. Step 2: Convert to fraction form
    9,721.22/14,581.36 = 4,453.19/x
  3. Step 3: Cross multiply
    9,721.22x = 14,581.36 × 4,453.19
  4. Step 4: Simplify right side
    9,721.22x = 64,933,566.54
  5. Step 5: Solve for x
    x = 64,933,566.54/9,721.22
  6. Step 6: Final answer
    x = 6,679.57

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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.