Home / 19,774.30-27,289.22-11,277.71

Finding the Fourth Proportional to 19,774.30, 27,289.22 and 11,277.71

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Solution

The fourth proportional to 19,774.30, 27,289.22 and 11,277.71 is: 15,563.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,774.30 : 27,289.22 = 11,277.71 : x
  2. Step 2: Convert to fraction form
    19,774.30/27,289.22 = 11,277.71/x
  3. Step 3: Cross multiply
    19,774.30x = 27,289.22 × 11,277.71
  4. Step 4: Simplify right side
    19,774.30x = 307,759,716.45
  5. Step 5: Solve for x
    x = 307,759,716.45/19,774.30
  6. Step 6: Final answer
    x = 15,563.62

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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.