Home / 19,969.20-27,557.46-11,017.26

Finding the Fourth Proportional to 19,969.20, 27,557.46 and 11,017.26

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Solution

The fourth proportional to 19,969.20, 27,557.46 and 11,017.26 is: 15,203.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,969.20 : 27,557.46 = 11,017.26 : x
  2. Step 2: Convert to fraction form
    19,969.20/27,557.46 = 11,017.26/x
  3. Step 3: Cross multiply
    19,969.20x = 27,557.46 × 11,017.26
  4. Step 4: Simplify right side
    19,969.20x = 303,607,701.76
  5. Step 5: Solve for x
    x = 303,607,701.76/19,969.20
  6. Step 6: Final answer
    x = 15,203.80

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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.