Home / 21,040.94-29,035.95-11,609.30

Finding the Fourth Proportional to 21,040.94, 29,035.95 and 11,609.30

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Solution

The fourth proportional to 21,040.94, 29,035.95 and 11,609.30 is: 16,020.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,040.94 : 29,035.95 = 11,609.30 : x
  2. Step 2: Convert to fraction form
    21,040.94/29,035.95 = 11,609.30/x
  3. Step 3: Cross multiply
    21,040.94x = 29,035.95 × 11,609.30
  4. Step 4: Simplify right side
    21,040.94x = 337,087,054.34
  5. Step 5: Solve for x
    x = 337,087,054.34/21,040.94
  6. Step 6: Final answer
    x = 16,020.53

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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.