Home / 19,970.98-27,560.48-11,018.60

Finding the Fourth Proportional to 19,970.98, 27,560.48 and 11,018.60

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Solution

The fourth proportional to 19,970.98, 27,560.48 and 11,018.60 is: 15,205.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,970.98 : 27,560.48 = 11,018.60 : x
  2. Step 2: Convert to fraction form
    19,970.98/27,560.48 = 11,018.60/x
  3. Step 3: Cross multiply
    19,970.98x = 27,560.48 × 11,018.60
  4. Step 4: Simplify right side
    19,970.98x = 303,677,904.93
  5. Step 5: Solve for x
    x = 303,677,904.93/19,970.98
  6. Step 6: Final answer
    x = 15,205.96

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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.