Home / 12,469.36-17,193.56-9,288.19

Finding the Fourth Proportional to 12,469.36, 17,193.56 and 9,288.19

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Solution

The fourth proportional to 12,469.36, 17,193.56 and 9,288.19 is: 12,807.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,469.36 : 17,193.56 = 9,288.19 : x
  2. Step 2: Convert to fraction form
    12,469.36/17,193.56 = 9,288.19/x
  3. Step 3: Cross multiply
    12,469.36x = 17,193.56 × 9,288.19
  4. Step 4: Simplify right side
    12,469.36x = 159,697,052.06
  5. Step 5: Solve for x
    x = 159,697,052.06/12,469.36
  6. Step 6: Final answer
    x = 12,807.16

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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.