Home / 13,023.60-19,529.64-3,790.32

Finding the Fourth Proportional to 13,023.60, 19,529.64 and 3,790.32

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Solution

The fourth proportional to 13,023.60, 19,529.64 and 3,790.32 is: 5,683.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,023.60 : 19,529.64 = 3,790.32 : x
  2. Step 2: Convert to fraction form
    13,023.60/19,529.64 = 3,790.32/x
  3. Step 3: Cross multiply
    13,023.60x = 19,529.64 × 3,790.32
  4. Step 4: Simplify right side
    13,023.60x = 74,023,585.08
  5. Step 5: Solve for x
    x = 74,023,585.08/13,023.60
  6. Step 6: Final answer
    x = 5,683.80

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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.