Home / 19,707.03-27,200.25-12,993.84

Finding the Fourth Proportional to 19,707.03, 27,200.25 and 12,993.84

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Solution

The fourth proportional to 19,707.03, 27,200.25 and 12,993.84 is: 17,934.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,707.03 : 27,200.25 = 12,993.84 : x
  2. Step 2: Convert to fraction form
    19,707.03/27,200.25 = 12,993.84/x
  3. Step 3: Cross multiply
    19,707.03x = 27,200.25 × 12,993.84
  4. Step 4: Simplify right side
    19,707.03x = 353,435,696.46
  5. Step 5: Solve for x
    x = 353,435,696.46/19,707.03
  6. Step 6: Final answer
    x = 17,934.50

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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.