Home / 13,777.36-20,663.94-4,416.39

Finding the Fourth Proportional to 13,777.36, 20,663.94 and 4,416.39

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Solution

The fourth proportional to 13,777.36, 20,663.94 and 4,416.39 is: 6,623.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,777.36 : 20,663.94 = 4,416.39 : x
  2. Step 2: Convert to fraction form
    13,777.36/20,663.94 = 4,416.39/x
  3. Step 3: Cross multiply
    13,777.36x = 20,663.94 × 4,416.39
  4. Step 4: Simplify right side
    13,777.36x = 91,260,017.98
  5. Step 5: Solve for x
    x = 91,260,017.98/13,777.36
  6. Step 6: Final answer
    x = 6,623.91

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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.