Home / 19,268.46-26,589.60-11,317.50

Finding the Fourth Proportional to 19,268.46, 26,589.60 and 11,317.50

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Solution

The fourth proportional to 19,268.46, 26,589.60 and 11,317.50 is: 15,617.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,268.46 : 26,589.60 = 11,317.50 : x
  2. Step 2: Convert to fraction form
    19,268.46/26,589.60 = 11,317.50/x
  3. Step 3: Cross multiply
    19,268.46x = 26,589.60 × 11,317.50
  4. Step 4: Simplify right side
    19,268.46x = 300,927,798
  5. Step 5: Solve for x
    x = 300,927,798/19,268.46
  6. Step 6: Final answer
    x = 15,617.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.