Home / 15,485.40-23,227.74-3,798.54

Finding the Fourth Proportional to 15,485.40, 23,227.74 and 3,798.54

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Solution

The fourth proportional to 15,485.40, 23,227.74 and 3,798.54 is: 5,697.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,485.40 : 23,227.74 = 3,798.54 : x
  2. Step 2: Convert to fraction form
    15,485.40/23,227.74 = 3,798.54/x
  3. Step 3: Cross multiply
    15,485.40x = 23,227.74 × 3,798.54
  4. Step 4: Simplify right side
    15,485.40x = 88,231,499.50
  5. Step 5: Solve for x
    x = 88,231,499.50/15,485.40
  6. Step 6: Final answer
    x = 5,697.72

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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.