Home / 13,496.85-18,615.62-9,910.68

Finding the Fourth Proportional to 13,496.85, 18,615.62 and 9,910.68

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Solution

The fourth proportional to 13,496.85, 18,615.62 and 9,910.68 is: 13,669.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,496.85 : 18,615.62 = 9,910.68 : x
  2. Step 2: Convert to fraction form
    13,496.85/18,615.62 = 9,910.68/x
  3. Step 3: Cross multiply
    13,496.85x = 18,615.62 × 9,910.68
  4. Step 4: Simplify right side
    13,496.85x = 184,493,509.11
  5. Step 5: Solve for x
    x = 184,493,509.11/13,496.85
  6. Step 6: Final answer
    x = 13,669.37

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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.