Home / 13,288.24-19,932.36-5,503.60

Finding the Fourth Proportional to 13,288.24, 19,932.36 and 5,503.60

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Solution

The fourth proportional to 13,288.24, 19,932.36 and 5,503.60 is: 8,255.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,288.24 : 19,932.36 = 5,503.60 : x
  2. Step 2: Convert to fraction form
    13,288.24/19,932.36 = 5,503.60/x
  3. Step 3: Cross multiply
    13,288.24x = 19,932.36 × 5,503.60
  4. Step 4: Simplify right side
    13,288.24x = 109,699,736.50
  5. Step 5: Solve for x
    x = 109,699,736.50/13,288.24
  6. Step 6: Final answer
    x = 8,255.40

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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.