Home / 19,774.22-27,288.27-10,821.56

Finding the Fourth Proportional to 19,774.22, 27,288.27 and 10,821.56

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Solution

The fourth proportional to 19,774.22, 27,288.27 and 10,821.56 is: 14,933.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,774.22 : 27,288.27 = 10,821.56 : x
  2. Step 2: Convert to fraction form
    19,774.22/27,288.27 = 10,821.56/x
  3. Step 3: Cross multiply
    19,774.22x = 27,288.27 × 10,821.56
  4. Step 4: Simplify right side
    19,774.22x = 295,301,651.10
  5. Step 5: Solve for x
    x = 295,301,651.10/19,774.22
  6. Step 6: Final answer
    x = 14,933.67

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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.