Home / 13,738.23-20,607.36-4,971.09

Finding the Fourth Proportional to 13,738.23, 20,607.36 and 4,971.09

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Solution

The fourth proportional to 13,738.23, 20,607.36 and 4,971.09 is: 7,456.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,738.23 : 20,607.36 = 4,971.09 : x
  2. Step 2: Convert to fraction form
    13,738.23/20,607.36 = 4,971.09/x
  3. Step 3: Cross multiply
    13,738.23x = 20,607.36 × 4,971.09
  4. Step 4: Simplify right side
    13,738.23x = 102,441,041.22
  5. Step 5: Solve for x
    x = 102,441,041.22/13,738.23
  6. Step 6: Final answer
    x = 7,456.64

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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.