Home / 15,844.80-23,738.40-9,681.60

Finding the Fourth Proportional to 15,844.80, 23,738.40 and 9,681.60

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Solution

The fourth proportional to 15,844.80, 23,738.40 and 9,681.60 is: 14,504.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,844.80 : 23,738.40 = 9,681.60 : x
  2. Step 2: Convert to fraction form
    15,844.80/23,738.40 = 9,681.60/x
  3. Step 3: Cross multiply
    15,844.80x = 23,738.40 × 9,681.60
  4. Step 4: Simplify right side
    15,844.80x = 229,825,693.44
  5. Step 5: Solve for x
    x = 229,825,693.44/15,844.80
  6. Step 6: Final answer
    x = 14,504.80

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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.