Home / 14,376.80-19,789.44-12,860.48

Finding the Fourth Proportional to 14,376.80, 19,789.44 and 12,860.48

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Solution

The fourth proportional to 14,376.80, 19,789.44 and 12,860.48 is: 17,702.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,376.80 : 19,789.44 = 12,860.48 : x
  2. Step 2: Convert to fraction form
    14,376.80/19,789.44 = 12,860.48/x
  3. Step 3: Cross multiply
    14,376.80x = 19,789.44 × 12,860.48
  4. Step 4: Simplify right side
    14,376.80x = 254,501,697.33
  5. Step 5: Solve for x
    x = 254,501,697.33/14,376.80
  6. Step 6: Final answer
    x = 17,702.25

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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.