Home / 13,460.87-20,235.04-13,395.26

Finding the Fourth Proportional to 13,460.87, 20,235.04 and 13,395.26

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Solution

The fourth proportional to 13,460.87, 20,235.04 and 13,395.26 is: 20,136.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,460.87 : 20,235.04 = 13,395.26 : x
  2. Step 2: Convert to fraction form
    13,460.87/20,235.04 = 13,395.26/x
  3. Step 3: Cross multiply
    13,460.87x = 20,235.04 × 13,395.26
  4. Step 4: Simplify right side
    13,460.87x = 271,053,453.76
  5. Step 5: Solve for x
    x = 271,053,453.76/13,460.87
  6. Step 6: Final answer
    x = 20,136.41

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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.