Home / 15,982.60-23,975.70-4,889.20

Finding the Fourth Proportional to 15,982.60, 23,975.70 and 4,889.20

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Solution

The fourth proportional to 15,982.60, 23,975.70 and 4,889.20 is: 7,334.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,982.60 : 23,975.70 = 4,889.20 : x
  2. Step 2: Convert to fraction form
    15,982.60/23,975.70 = 4,889.20/x
  3. Step 3: Cross multiply
    15,982.60x = 23,975.70 × 4,889.20
  4. Step 4: Simplify right side
    15,982.60x = 117,221,992.44
  5. Step 5: Solve for x
    x = 117,221,992.44/15,982.60
  6. Step 6: Final answer
    x = 7,334.35

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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.