Home / 19,840.98-27,379.06-10,887.03

Finding the Fourth Proportional to 19,840.98, 27,379.06 and 10,887.03

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Solution

The fourth proportional to 19,840.98, 27,379.06 and 10,887.03 is: 15,023.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,840.98 : 27,379.06 = 10,887.03 : x
  2. Step 2: Convert to fraction form
    19,840.98/27,379.06 = 10,887.03/x
  3. Step 3: Cross multiply
    19,840.98x = 27,379.06 × 10,887.03
  4. Step 4: Simplify right side
    19,840.98x = 298,076,647.59
  5. Step 5: Solve for x
    x = 298,076,647.59/19,840.98
  6. Step 6: Final answer
    x = 15,023.28

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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.