Home / 13,256.84-19,884.81-3,396.21

Finding the Fourth Proportional to 13,256.84, 19,884.81 and 3,396.21

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Solution

The fourth proportional to 13,256.84, 19,884.81 and 3,396.21 is: 5,094.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256.84 : 19,884.81 = 3,396.21 : x
  2. Step 2: Convert to fraction form
    13,256.84/19,884.81 = 3,396.21/x
  3. Step 3: Cross multiply
    13,256.84x = 19,884.81 × 3,396.21
  4. Step 4: Simplify right side
    13,256.84x = 67,532,990.57
  5. Step 5: Solve for x
    x = 67,532,990.57/13,256.84
  6. Step 6: Final answer
    x = 5,094.20

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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.