Home / 13,853.52-19,131.48-11,592.72

Finding the Fourth Proportional to 13,853.52, 19,131.48 and 11,592.72

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Solution

The fourth proportional to 13,853.52, 19,131.48 and 11,592.72 is: 16,009.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,853.52 : 19,131.48 = 11,592.72 : x
  2. Step 2: Convert to fraction form
    13,853.52/19,131.48 = 11,592.72/x
  3. Step 3: Cross multiply
    13,853.52x = 19,131.48 × 11,592.72
  4. Step 4: Simplify right side
    13,853.52x = 221,785,890.83
  5. Step 5: Solve for x
    x = 221,785,890.83/13,853.52
  6. Step 6: Final answer
    x = 16,009.35

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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.