Home / 19,790.46-27,303.03-11,405.34

Finding the Fourth Proportional to 19,790.46, 27,303.03 and 11,405.34

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Solution

The fourth proportional to 19,790.46, 27,303.03 and 11,405.34 is: 15,734.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,790.46 : 27,303.03 = 11,405.34 : x
  2. Step 2: Convert to fraction form
    19,790.46/27,303.03 = 11,405.34/x
  3. Step 3: Cross multiply
    19,790.46x = 27,303.03 × 11,405.34
  4. Step 4: Simplify right side
    19,790.46x = 311,400,340.18
  5. Step 5: Solve for x
    x = 311,400,340.18/19,790.46
  6. Step 6: Final answer
    x = 15,734.87

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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.