Home / 14,148.40-21,232.68-11,408.08

Finding the Fourth Proportional to 14,148.40, 21,232.68 and 11,408.08

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Solution

The fourth proportional to 14,148.40, 21,232.68 and 11,408.08 is: 17,120.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,148.40 : 21,232.68 = 11,408.08 : x
  2. Step 2: Convert to fraction form
    14,148.40/21,232.68 = 11,408.08/x
  3. Step 3: Cross multiply
    14,148.40x = 21,232.68 × 11,408.08
  4. Step 4: Simplify right side
    14,148.40x = 242,224,112.05
  5. Step 5: Solve for x
    x = 242,224,112.05/14,148.40
  6. Step 6: Final answer
    x = 17,120.25

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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.