Home / 19,895.12-27,455.34-10,943.54

Finding the Fourth Proportional to 19,895.12, 27,455.34 and 10,943.54

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Solution

The fourth proportional to 19,895.12, 27,455.34 and 10,943.54 is: 15,102.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,895.12 : 27,455.34 = 10,943.54 : x
  2. Step 2: Convert to fraction form
    19,895.12/27,455.34 = 10,943.54/x
  3. Step 3: Cross multiply
    19,895.12x = 27,455.34 × 10,943.54
  4. Step 4: Simplify right side
    19,895.12x = 300,458,611.50
  5. Step 5: Solve for x
    x = 300,458,611.50/19,895.12
  6. Step 6: Final answer
    x = 15,102.13

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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.