Home / 13,468.83-18,603.90-11,351.39

Finding the Fourth Proportional to 13,468.83, 18,603.90 and 11,351.39

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Solution

The fourth proportional to 13,468.83, 18,603.90 and 11,351.39 is: 15,679.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,468.83 : 18,603.90 = 11,351.39 : x
  2. Step 2: Convert to fraction form
    13,468.83/18,603.90 = 11,351.39/x
  3. Step 3: Cross multiply
    13,468.83x = 18,603.90 × 11,351.39
  4. Step 4: Simplify right side
    13,468.83x = 211,180,167.97
  5. Step 5: Solve for x
    x = 211,180,167.97/13,468.83
  6. Step 6: Final answer
    x = 15,679.17

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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.