Home / 16,824.78-25,230.60-4,975.20

Finding the Fourth Proportional to 16,824.78, 25,230.60 and 4,975.20

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Solution

The fourth proportional to 16,824.78, 25,230.60 and 4,975.20 is: 7,460.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,824.78 : 25,230.60 = 4,975.20 : x
  2. Step 2: Convert to fraction form
    16,824.78/25,230.60 = 4,975.20/x
  3. Step 3: Cross multiply
    16,824.78x = 25,230.60 × 4,975.20
  4. Step 4: Simplify right side
    16,824.78x = 125,527,281.12
  5. Step 5: Solve for x
    x = 125,527,281.12/16,824.78
  6. Step 6: Final answer
    x = 7,460.86

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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.