Home / 19,918.93-27,487.02-10,964.98

Finding the Fourth Proportional to 19,918.93, 27,487.02 and 10,964.98

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Solution

The fourth proportional to 19,918.93, 27,487.02 and 10,964.98 is: 15,131.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,918.93 : 27,487.02 = 10,964.98 : x
  2. Step 2: Convert to fraction form
    19,918.93/27,487.02 = 10,964.98/x
  3. Step 3: Cross multiply
    19,918.93x = 27,487.02 × 10,964.98
  4. Step 4: Simplify right side
    19,918.93x = 301,394,624.56
  5. Step 5: Solve for x
    x = 301,394,624.56/19,918.93
  6. Step 6: Final answer
    x = 15,131.06

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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.