Home / 13,497.36-20,235.24-7,874.36

Finding the Fourth Proportional to 13,497.36, 20,235.24 and 7,874.36

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Solution

The fourth proportional to 13,497.36, 20,235.24 and 7,874.36 is: 11,805.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,497.36 : 20,235.24 = 7,874.36 : x
  2. Step 2: Convert to fraction form
    13,497.36/20,235.24 = 7,874.36/x
  3. Step 3: Cross multiply
    13,497.36x = 20,235.24 × 7,874.36
  4. Step 4: Simplify right side
    13,497.36x = 159,339,564.45
  5. Step 5: Solve for x
    x = 159,339,564.45/13,497.36
  6. Step 6: Final answer
    x = 11,805.24

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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.