Home / 19,768.32-27,277.32-11,271.18

Finding the Fourth Proportional to 19,768.32, 27,277.32 and 11,271.18

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Solution

The fourth proportional to 19,768.32, 27,277.32 and 11,271.18 is: 15,552.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,768.32 : 27,277.32 = 11,271.18 : x
  2. Step 2: Convert to fraction form
    19,768.32/27,277.32 = 11,271.18/x
  3. Step 3: Cross multiply
    19,768.32x = 27,277.32 × 11,271.18
  4. Step 4: Simplify right side
    19,768.32x = 307,447,583.64
  5. Step 5: Solve for x
    x = 307,447,583.64/19,768.32
  6. Step 6: Final answer
    x = 15,552.54

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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.