Home / 13,963.74-19,232.52-12,912.72

Finding the Fourth Proportional to 13,963.74, 19,232.52 and 12,912.72

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Solution

The fourth proportional to 13,963.74, 19,232.52 and 12,912.72 is: 17,784.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,963.74 : 19,232.52 = 12,912.72 : x
  2. Step 2: Convert to fraction form
    13,963.74/19,232.52 = 12,912.72/x
  3. Step 3: Cross multiply
    13,963.74x = 19,232.52 × 12,912.72
  4. Step 4: Simplify right side
    13,963.74x = 248,344,145.65
  5. Step 5: Solve for x
    x = 248,344,145.65/13,963.74
  6. Step 6: Final answer
    x = 17,784.93

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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.