Home / 13,790.52-19,025.28-9,601.20

Finding the Fourth Proportional to 13,790.52, 19,025.28 and 9,601.20

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Solution

The fourth proportional to 13,790.52, 19,025.28 and 9,601.20 is: 13,245.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,790.52 : 19,025.28 = 9,601.20 : x
  2. Step 2: Convert to fraction form
    13,790.52/19,025.28 = 9,601.20/x
  3. Step 3: Cross multiply
    13,790.52x = 19,025.28 × 9,601.20
  4. Step 4: Simplify right side
    13,790.52x = 182,665,518.34
  5. Step 5: Solve for x
    x = 182,665,518.34/13,790.52
  6. Step 6: Final answer
    x = 13,245.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.