Home / 13,256.88-19,885.28-3,396.16

Finding the Fourth Proportional to 13,256.88, 19,885.28 and 3,396.16

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Solution

The fourth proportional to 13,256.88, 19,885.28 and 3,396.16 is: 5,094.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256.88 : 19,885.28 = 3,396.16 : x
  2. Step 2: Convert to fraction form
    13,256.88/19,885.28 = 3,396.16/x
  3. Step 3: Cross multiply
    13,256.88x = 19,885.28 × 3,396.16
  4. Step 4: Simplify right side
    13,256.88x = 67,533,592.52
  5. Step 5: Solve for x
    x = 67,533,592.52/13,256.88
  6. Step 6: Final answer
    x = 5,094.23

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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.