Home / 17,729.95-24,467.21-9,772.18

Finding the Fourth Proportional to 17,729.95, 24,467.21 and 9,772.18

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Solution

The fourth proportional to 17,729.95, 24,467.21 and 9,772.18 is: 13,485.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,729.95 : 24,467.21 = 9,772.18 : x
  2. Step 2: Convert to fraction form
    17,729.95/24,467.21 = 9,772.18/x
  3. Step 3: Cross multiply
    17,729.95x = 24,467.21 × 9,772.18
  4. Step 4: Simplify right side
    17,729.95x = 239,097,980.22
  5. Step 5: Solve for x
    x = 239,097,980.22/17,729.95
  6. Step 6: Final answer
    x = 13,485.54

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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.