Home / 12,477.36-17,219.97-9,328.08

Finding the Fourth Proportional to 12,477.36, 17,219.97 and 9,328.08

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Solution

The fourth proportional to 12,477.36, 17,219.97 and 9,328.08 is: 12,873.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,477.36 : 17,219.97 = 9,328.08 : x
  2. Step 2: Convert to fraction form
    12,477.36/17,219.97 = 9,328.08/x
  3. Step 3: Cross multiply
    12,477.36x = 17,219.97 × 9,328.08
  4. Step 4: Simplify right side
    12,477.36x = 160,629,257.76
  5. Step 5: Solve for x
    x = 160,629,257.76/12,477.36
  6. Step 6: Final answer
    x = 12,873.66

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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.