Home / 19,970.73-27,559.53-11,018.79

Finding the Fourth Proportional to 19,970.73, 27,559.53 and 11,018.79

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Solution

The fourth proportional to 19,970.73, 27,559.53 and 11,018.79 is: 15,205.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,970.73 : 27,559.53 = 11,018.79 : x
  2. Step 2: Convert to fraction form
    19,970.73/27,559.53 = 11,018.79/x
  3. Step 3: Cross multiply
    19,970.73x = 27,559.53 × 11,018.79
  4. Step 4: Simplify right side
    19,970.73x = 303,672,673.57
  5. Step 5: Solve for x
    x = 303,672,673.57/19,970.73
  6. Step 6: Final answer
    x = 15,205.89

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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.