Home / 15,515.64-23,268.60-5,653.08

Finding the Fourth Proportional to 15,515.64, 23,268.60 and 5,653.08

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Solution

The fourth proportional to 15,515.64, 23,268.60 and 5,653.08 is: 8,477.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,515.64 : 23,268.60 = 5,653.08 : x
  2. Step 2: Convert to fraction form
    15,515.64/23,268.60 = 5,653.08/x
  3. Step 3: Cross multiply
    15,515.64x = 23,268.60 × 5,653.08
  4. Step 4: Simplify right side
    15,515.64x = 131,539,257.29
  5. Step 5: Solve for x
    x = 131,539,257.29/15,515.64
  6. Step 6: Final answer
    x = 8,477.85

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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.