Home / 19,971.06-27,558.63-11,018.58

Finding the Fourth Proportional to 19,971.06, 27,558.63 and 11,018.58

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Solution

The fourth proportional to 19,971.06, 27,558.63 and 11,018.58 is: 15,204.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,971.06 : 27,558.63 = 11,018.58 : x
  2. Step 2: Convert to fraction form
    19,971.06/27,558.63 = 11,018.58/x
  3. Step 3: Cross multiply
    19,971.06x = 27,558.63 × 11,018.58
  4. Step 4: Simplify right side
    19,971.06x = 303,656,969.35
  5. Step 5: Solve for x
    x = 303,656,969.35/19,971.06
  6. Step 6: Final answer
    x = 15,204.85

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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.