Home / 13,669.14-18,823.68-11,875.80

Finding the Fourth Proportional to 13,669.14, 18,823.68 and 11,875.80

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Solution

The fourth proportional to 13,669.14, 18,823.68 and 11,875.80 is: 16,354.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,669.14 : 18,823.68 = 11,875.80 : x
  2. Step 2: Convert to fraction form
    13,669.14/18,823.68 = 11,875.80/x
  3. Step 3: Cross multiply
    13,669.14x = 18,823.68 × 11,875.80
  4. Step 4: Simplify right side
    13,669.14x = 223,546,258.94
  5. Step 5: Solve for x
    x = 223,546,258.94/13,669.14
  6. Step 6: Final answer
    x = 16,354.08

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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.