Home / 19,973.67-27,560.70-11,021.55

Finding the Fourth Proportional to 19,973.67, 27,560.70 and 11,021.55

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Solution

The fourth proportional to 19,973.67, 27,560.70 and 11,021.55 is: 15,208.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,973.67 : 27,560.70 = 11,021.55 : x
  2. Step 2: Convert to fraction form
    19,973.67/27,560.70 = 11,021.55/x
  3. Step 3: Cross multiply
    19,973.67x = 27,560.70 × 11,021.55
  4. Step 4: Simplify right side
    19,973.67x = 303,761,633.09
  5. Step 5: Solve for x
    x = 303,761,633.09/19,973.67
  6. Step 6: Final answer
    x = 15,208.10

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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.