Home / 13,603.52-20,409.09-4,839.32

Finding the Fourth Proportional to 13,603.52, 20,409.09 and 4,839.32

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Solution

The fourth proportional to 13,603.52, 20,409.09 and 4,839.32 is: 7,260.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,603.52 : 20,409.09 = 4,839.32 : x
  2. Step 2: Convert to fraction form
    13,603.52/20,409.09 = 4,839.32/x
  3. Step 3: Cross multiply
    13,603.52x = 20,409.09 × 4,839.32
  4. Step 4: Simplify right side
    13,603.52x = 98,766,117.42
  5. Step 5: Solve for x
    x = 98,766,117.42/13,603.52
  6. Step 6: Final answer
    x = 7,260.34

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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.