Home / 19,707.36-27,206.19-15,221.04

Finding the Fourth Proportional to 19,707.36, 27,206.19 and 15,221.04

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Solution

The fourth proportional to 19,707.36, 27,206.19 and 15,221.04 is: 21,012.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,707.36 : 27,206.19 = 15,221.04 : x
  2. Step 2: Convert to fraction form
    19,707.36/27,206.19 = 15,221.04/x
  3. Step 3: Cross multiply
    19,707.36x = 27,206.19 × 15,221.04
  4. Step 4: Simplify right side
    19,707.36x = 414,106,506.24
  5. Step 5: Solve for x
    x = 414,106,506.24/19,707.36
  6. Step 6: Final answer
    x = 21,012.78

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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.