Home / 15,724.20-23,610.60-12,030.60

Finding the Fourth Proportional to 15,724.20, 23,610.60 and 12,030.60

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Solution

The fourth proportional to 15,724.20, 23,610.60 and 12,030.60 is: 18,064.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,724.20 : 23,610.60 = 12,030.60 : x
  2. Step 2: Convert to fraction form
    15,724.20/23,610.60 = 12,030.60/x
  3. Step 3: Cross multiply
    15,724.20x = 23,610.60 × 12,030.60
  4. Step 4: Simplify right side
    15,724.20x = 284,049,684.36
  5. Step 5: Solve for x
    x = 284,049,684.36/15,724.20
  6. Step 6: Final answer
    x = 18,064.49

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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.