Home / 19,161.82-28,742.70-7,483.24

Finding the Fourth Proportional to 19,161.82, 28,742.70 and 7,483.24

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Solution

The fourth proportional to 19,161.82, 28,742.70 and 7,483.24 is: 11,224.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,161.82 : 28,742.70 = 7,483.24 : x
  2. Step 2: Convert to fraction form
    19,161.82/28,742.70 = 7,483.24/x
  3. Step 3: Cross multiply
    19,161.82x = 28,742.70 × 7,483.24
  4. Step 4: Simplify right side
    19,161.82x = 215,088,522.35
  5. Step 5: Solve for x
    x = 215,088,522.35/19,161.82
  6. Step 6: Final answer
    x = 11,224.85

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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.