Home / 13,173.40-19,761.14-4,408.35

Finding the Fourth Proportional to 13,173.40, 19,761.14 and 4,408.35

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Solution

The fourth proportional to 13,173.40, 19,761.14 and 4,408.35 is: 6,612.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,173.40 : 19,761.14 = 4,408.35 : x
  2. Step 2: Convert to fraction form
    13,173.40/19,761.14 = 4,408.35/x
  3. Step 3: Cross multiply
    13,173.40x = 19,761.14 × 4,408.35
  4. Step 4: Simplify right side
    13,173.40x = 87,114,021.52
  5. Step 5: Solve for x
    x = 87,114,021.52/13,173.40
  6. Step 6: Final answer
    x = 6,612.87

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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.