Home / 14,278.86-21,418.89-4,418.33

Finding the Fourth Proportional to 14,278.86, 21,418.89 and 4,418.33

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Solution

The fourth proportional to 14,278.86, 21,418.89 and 4,418.33 is: 6,627.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,278.86 : 21,418.89 = 4,418.33 : x
  2. Step 2: Convert to fraction form
    14,278.86/21,418.89 = 4,418.33/x
  3. Step 3: Cross multiply
    14,278.86x = 21,418.89 × 4,418.33
  4. Step 4: Simplify right side
    14,278.86x = 94,635,617.16
  5. Step 5: Solve for x
    x = 94,635,617.16/14,278.86
  6. Step 6: Final answer
    x = 6,627.67

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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.