Home / 15,485.32-23,225.40-7,164.64

Finding the Fourth Proportional to 15,485.32, 23,225.40 and 7,164.64

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Solution

The fourth proportional to 15,485.32, 23,225.40 and 7,164.64 is: 10,745.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,485.32 : 23,225.40 = 7,164.64 : x
  2. Step 2: Convert to fraction form
    15,485.32/23,225.40 = 7,164.64/x
  3. Step 3: Cross multiply
    15,485.32x = 23,225.40 × 7,164.64
  4. Step 4: Simplify right side
    15,485.32x = 166,401,629.86
  5. Step 5: Solve for x
    x = 166,401,629.86/15,485.32
  6. Step 6: Final answer
    x = 10,745.77

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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.