Home / 19,419.84-29,151.63-7,741.26

Finding the Fourth Proportional to 19,419.84, 29,151.63 and 7,741.26

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Solution

The fourth proportional to 19,419.84, 29,151.63 and 7,741.26 is: 11,620.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,419.84 : 29,151.63 = 7,741.26 : x
  2. Step 2: Convert to fraction form
    19,419.84/29,151.63 = 7,741.26/x
  3. Step 3: Cross multiply
    19,419.84x = 29,151.63 × 7,741.26
  4. Step 4: Simplify right side
    19,419.84x = 225,670,347.25
  5. Step 5: Solve for x
    x = 225,670,347.25/19,419.84
  6. Step 6: Final answer
    x = 11,620.61

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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.