Home / 19,219.79-26,522.70-11,267.31

Finding the Fourth Proportional to 19,219.79, 26,522.70 and 11,267.31

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Solution

The fourth proportional to 19,219.79, 26,522.70 and 11,267.31 is: 15,548.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,219.79 : 26,522.70 = 11,267.31 : x
  2. Step 2: Convert to fraction form
    19,219.79/26,522.70 = 11,267.31/x
  3. Step 3: Cross multiply
    19,219.79x = 26,522.70 × 11,267.31
  4. Step 4: Simplify right side
    19,219.79x = 298,839,383.48
  5. Step 5: Solve for x
    x = 298,839,383.48/19,219.79
  6. Step 6: Final answer
    x = 15,548.53

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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.