Home / 13,241.62-19,856.76-4,922.20

Finding the Fourth Proportional to 13,241.62, 19,856.76 and 4,922.20

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Solution

The fourth proportional to 13,241.62, 19,856.76 and 4,922.20 is: 7,381.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,241.62 : 19,856.76 = 4,922.20 : x
  2. Step 2: Convert to fraction form
    13,241.62/19,856.76 = 4,922.20/x
  3. Step 3: Cross multiply
    13,241.62x = 19,856.76 × 4,922.20
  4. Step 4: Simplify right side
    13,241.62x = 97,738,944.07
  5. Step 5: Solve for x
    x = 97,738,944.07/13,241.62
  6. Step 6: Final answer
    x = 7,381.19

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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.