Home / 19,015.30-26,240.96-10,950.54

Finding the Fourth Proportional to 19,015.30, 26,240.96 and 10,950.54

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Solution

The fourth proportional to 19,015.30, 26,240.96 and 10,950.54 is: 15,111.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,015.30 : 26,240.96 = 10,950.54 : x
  2. Step 2: Convert to fraction form
    19,015.30/26,240.96 = 10,950.54/x
  3. Step 3: Cross multiply
    19,015.30x = 26,240.96 × 10,950.54
  4. Step 4: Simplify right side
    19,015.30x = 287,352,682.12
  5. Step 5: Solve for x
    x = 287,352,682.12/19,015.30
  6. Step 6: Final answer
    x = 15,111.66

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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.