Home / 14,273.40-21,408.21-6,480.42

Finding the Fourth Proportional to 14,273.40, 21,408.21 and 6,480.42

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Solution

The fourth proportional to 14,273.40, 21,408.21 and 6,480.42 is: 9,719.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,273.40 : 21,408.21 = 6,480.42 : x
  2. Step 2: Convert to fraction form
    14,273.40/21,408.21 = 6,480.42/x
  3. Step 3: Cross multiply
    14,273.40x = 21,408.21 × 6,480.42
  4. Step 4: Simplify right side
    14,273.40x = 138,734,192.25
  5. Step 5: Solve for x
    x = 138,734,192.25/14,273.40
  6. Step 6: Final answer
    x = 9,719.77

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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.