Home / 17,621.12-26,440.30-7,759.16

Finding the Fourth Proportional to 17,621.12, 26,440.30 and 7,759.16

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Solution

The fourth proportional to 17,621.12, 26,440.30 and 7,759.16 is: 11,642.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,621.12 : 26,440.30 = 7,759.16 : x
  2. Step 2: Convert to fraction form
    17,621.12/26,440.30 = 7,759.16/x
  3. Step 3: Cross multiply
    17,621.12x = 26,440.30 × 7,759.16
  4. Step 4: Simplify right side
    17,621.12x = 205,154,518.15
  5. Step 5: Solve for x
    x = 205,154,518.15/17,621.12
  6. Step 6: Final answer
    x = 11,642.54

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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.