Home / 13,754.87-18,997.35-9,270.89

Finding the Fourth Proportional to 13,754.87, 18,997.35 and 9,270.89

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Solution

The fourth proportional to 13,754.87, 18,997.35 and 9,270.89 is: 12,804.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,754.87 : 18,997.35 = 9,270.89 : x
  2. Step 2: Convert to fraction form
    13,754.87/18,997.35 = 9,270.89/x
  3. Step 3: Cross multiply
    13,754.87x = 18,997.35 × 9,270.89
  4. Step 4: Simplify right side
    13,754.87x = 176,122,342.14
  5. Step 5: Solve for x
    x = 176,122,342.14/13,754.87
  6. Step 6: Final answer
    x = 12,804.36

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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.