Home / 18,725.83-28,054.90-11,702.47

Finding the Fourth Proportional to 18,725.83, 28,054.90 and 11,702.47

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Solution

The fourth proportional to 18,725.83, 28,054.90 and 11,702.47 is: 17,532.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,725.83 : 28,054.90 = 11,702.47 : x
  2. Step 2: Convert to fraction form
    18,725.83/28,054.90 = 11,702.47/x
  3. Step 3: Cross multiply
    18,725.83x = 28,054.90 × 11,702.47
  4. Step 4: Simplify right side
    18,725.83x = 328,311,567.09
  5. Step 5: Solve for x
    x = 328,311,567.09/18,725.83
  6. Step 6: Final answer
    x = 17,532.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.