Home / 17,621.49-26,440.85-7,759.54

Finding the Fourth Proportional to 17,621.49, 26,440.85 and 7,759.54

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Solution

The fourth proportional to 17,621.49, 26,440.85 and 7,759.54 is: 11,643.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,621.49 : 26,440.85 = 7,759.54 : x
  2. Step 2: Convert to fraction form
    17,621.49/26,440.85 = 7,759.54/x
  3. Step 3: Cross multiply
    17,621.49x = 26,440.85 × 7,759.54
  4. Step 4: Simplify right side
    17,621.49x = 205,168,833.21
  5. Step 5: Solve for x
    x = 205,168,833.21/17,621.49
  6. Step 6: Final answer
    x = 11,643.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.