Home / 19,639.24-27,103.14-11,255.72

Finding the Fourth Proportional to 19,639.24, 27,103.14 and 11,255.72

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Solution

The fourth proportional to 19,639.24, 27,103.14 and 11,255.72 is: 15,533.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,639.24 : 27,103.14 = 11,255.72 : x
  2. Step 2: Convert to fraction form
    19,639.24/27,103.14 = 11,255.72/x
  3. Step 3: Cross multiply
    19,639.24x = 27,103.14 × 11,255.72
  4. Step 4: Simplify right side
    19,639.24x = 305,065,354.96
  5. Step 5: Solve for x
    x = 305,065,354.96/19,639.24
  6. Step 6: Final answer
    x = 15,533.46

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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.