Home / 19,933.16-27,507.78-10,980.67

Finding the Fourth Proportional to 19,933.16, 27,507.78 and 10,980.67

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Solution

The fourth proportional to 19,933.16, 27,507.78 and 10,980.67 is: 15,153.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,933.16 : 27,507.78 = 10,980.67 : x
  2. Step 2: Convert to fraction form
    19,933.16/27,507.78 = 10,980.67/x
  3. Step 3: Cross multiply
    19,933.16x = 27,507.78 × 10,980.67
  4. Step 4: Simplify right side
    19,933.16x = 302,053,785.84
  5. Step 5: Solve for x
    x = 302,053,785.84/19,933.16
  6. Step 6: Final answer
    x = 15,153.33

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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.