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Finding the Fourth Proportional to 16,485.48, 22,749.22 and 9,033.32

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Solution

The fourth proportional to 16,485.48, 22,749.22 and 9,033.32 is: 12,465.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,485.48 : 22,749.22 = 9,033.32 : x
  2. Step 2: Convert to fraction form
    16,485.48/22,749.22 = 9,033.32/x
  3. Step 3: Cross multiply
    16,485.48x = 22,749.22 × 9,033.32
  4. Step 4: Simplify right side
    16,485.48x = 205,500,984.01
  5. Step 5: Solve for x
    x = 205,500,984.01/16,485.48
  6. Step 6: Final answer
    x = 12,465.57

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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.