Home / 15,485.64-23,230.44-5,629.56

Finding the Fourth Proportional to 15,485.64, 23,230.44 and 5,629.56

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Solution

The fourth proportional to 15,485.64, 23,230.44 and 5,629.56 is: 8,445.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,485.64 : 23,230.44 = 5,629.56 : x
  2. Step 2: Convert to fraction form
    15,485.64/23,230.44 = 5,629.56/x
  3. Step 3: Cross multiply
    15,485.64x = 23,230.44 × 5,629.56
  4. Step 4: Simplify right side
    15,485.64x = 130,777,155.81
  5. Step 5: Solve for x
    x = 130,777,155.81/15,485.64
  6. Step 6: Final answer
    x = 8,445.06

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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.