Home / 19,933.21-27,507.48-10,981.54

Finding the Fourth Proportional to 19,933.21, 27,507.48 and 10,981.54

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Solution

The fourth proportional to 19,933.21, 27,507.48 and 10,981.54 is: 15,154.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,933.21 : 27,507.48 = 10,981.54 : x
  2. Step 2: Convert to fraction form
    19,933.21/27,507.48 = 10,981.54/x
  3. Step 3: Cross multiply
    19,933.21x = 27,507.48 × 10,981.54
  4. Step 4: Simplify right side
    19,933.21x = 302,074,491.92
  5. Step 5: Solve for x
    x = 302,074,491.92/19,933.21
  6. Step 6: Final answer
    x = 15,154.33

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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.