Home / 13,537.11-20,292.03-5,643.99

Finding the Fourth Proportional to 13,537.11, 20,292.03 and 5,643.99

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Solution

The fourth proportional to 13,537.11, 20,292.03 and 5,643.99 is: 8,460.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,537.11 : 20,292.03 = 5,643.99 : x
  2. Step 2: Convert to fraction form
    13,537.11/20,292.03 = 5,643.99/x
  3. Step 3: Cross multiply
    13,537.11x = 20,292.03 × 5,643.99
  4. Step 4: Simplify right side
    13,537.11x = 114,528,014.40
  5. Step 5: Solve for x
    x = 114,528,014.40/13,537.11
  6. Step 6: Final answer
    x = 8,460.30

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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.