Home / 19,304.64-26,643.24-12,231.72

Finding the Fourth Proportional to 19,304.64, 26,643.24 and 12,231.72

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Solution

The fourth proportional to 19,304.64, 26,643.24 and 12,231.72 is: 16,881.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,304.64 : 26,643.24 = 12,231.72 : x
  2. Step 2: Convert to fraction form
    19,304.64/26,643.24 = 12,231.72/x
  3. Step 3: Cross multiply
    19,304.64x = 26,643.24 × 12,231.72
  4. Step 4: Simplify right side
    19,304.64x = 325,892,651.57
  5. Step 5: Solve for x
    x = 325,892,651.57/19,304.64
  6. Step 6: Final answer
    x = 16,881.57

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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.