Home / 12,721.73-19,089.36-9,580.14

Finding the Fourth Proportional to 12,721.73, 19,089.36 and 9,580.14

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Solution

The fourth proportional to 12,721.73, 19,089.36 and 9,580.14 is: 14,375.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,721.73 : 19,089.36 = 9,580.14 : x
  2. Step 2: Convert to fraction form
    12,721.73/19,089.36 = 9,580.14/x
  3. Step 3: Cross multiply
    12,721.73x = 19,089.36 × 9,580.14
  4. Step 4: Simplify right side
    12,721.73x = 182,878,741.31
  5. Step 5: Solve for x
    x = 182,878,741.31/12,721.73
  6. Step 6: Final answer
    x = 14,375.31

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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.