Home / 16,121.34-22,245.75-9,048.54

Finding the Fourth Proportional to 16,121.34, 22,245.75 and 9,048.54

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Solution

The fourth proportional to 16,121.34, 22,245.75 and 9,048.54 is: 12,486.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,121.34 : 22,245.75 = 9,048.54 : x
  2. Step 2: Convert to fraction form
    16,121.34/22,245.75 = 9,048.54/x
  3. Step 3: Cross multiply
    16,121.34x = 22,245.75 × 9,048.54
  4. Step 4: Simplify right side
    16,121.34x = 201,291,558.71
  5. Step 5: Solve for x
    x = 201,291,558.71/16,121.34
  6. Step 6: Final answer
    x = 12,486.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.