Home / 13,256.03-19,883.58-3,395.40

Finding the Fourth Proportional to 13,256.03, 19,883.58 and 3,395.40

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Solution

The fourth proportional to 13,256.03, 19,883.58 and 3,395.40 is: 5,092.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256.03 : 19,883.58 = 3,395.40 : x
  2. Step 2: Convert to fraction form
    13,256.03/19,883.58 = 3,395.40/x
  3. Step 3: Cross multiply
    13,256.03x = 19,883.58 × 3,395.40
  4. Step 4: Simplify right side
    13,256.03x = 67,512,707.53
  5. Step 5: Solve for x
    x = 67,512,707.53/13,256.03
  6. Step 6: Final answer
    x = 5,092.98

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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.