Home / 19,268.64-26,589.74-11,312.82

Finding the Fourth Proportional to 19,268.64, 26,589.74 and 11,312.82

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Solution

The fourth proportional to 19,268.64, 26,589.74 and 11,312.82 is: 15,611.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,268.64 : 26,589.74 = 11,312.82 : x
  2. Step 2: Convert to fraction form
    19,268.64/26,589.74 = 11,312.82/x
  3. Step 3: Cross multiply
    19,268.64x = 26,589.74 × 11,312.82
  4. Step 4: Simplify right side
    19,268.64x = 300,804,885.90
  5. Step 5: Solve for x
    x = 300,804,885.90/19,268.64
  6. Step 6: Final answer
    x = 15,611.11

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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.