Home / 12,908.98-19,330.62-9,016.12

Finding the Fourth Proportional to 12,908.98, 19,330.62 and 9,016.12

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Solution

The fourth proportional to 12,908.98, 19,330.62 and 9,016.12 is: 13,501.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,908.98 : 19,330.62 = 9,016.12 : x
  2. Step 2: Convert to fraction form
    12,908.98/19,330.62 = 9,016.12/x
  3. Step 3: Cross multiply
    12,908.98x = 19,330.62 × 9,016.12
  4. Step 4: Simplify right side
    12,908.98x = 174,287,189.59
  5. Step 5: Solve for x
    x = 174,287,189.59/12,908.98
  6. Step 6: Final answer
    x = 13,501.24

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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.