Home / 10,193.48-15,291.74-3,619.11

Finding the Fourth Proportional to 10,193.48, 15,291.74 and 3,619.11

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Solution

The fourth proportional to 10,193.48, 15,291.74 and 3,619.11 is: 5,429.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,193.48 : 15,291.74 = 3,619.11 : x
  2. Step 2: Convert to fraction form
    10,193.48/15,291.74 = 3,619.11/x
  3. Step 3: Cross multiply
    10,193.48x = 15,291.74 × 3,619.11
  4. Step 4: Simplify right side
    10,193.48x = 55,342,471.06
  5. Step 5: Solve for x
    x = 55,342,471.06/10,193.48
  6. Step 6: Final answer
    x = 5,429.21

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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.