Home / 13,536.24-20,312.55-5,745.05

Finding the Fourth Proportional to 13,536.24, 20,312.55 and 5,745.05

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Solution

The fourth proportional to 13,536.24, 20,312.55 and 5,745.05 is: 8,621.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,536.24 : 20,312.55 = 5,745.05 : x
  2. Step 2: Convert to fraction form
    13,536.24/20,312.55 = 5,745.05/x
  3. Step 3: Cross multiply
    13,536.24x = 20,312.55 × 5,745.05
  4. Step 4: Simplify right side
    13,536.24x = 116,696,611.53
  5. Step 5: Solve for x
    x = 116,696,611.53/13,536.24
  6. Step 6: Final answer
    x = 8,621.05

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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.