Home / 21,041.61-29,035.37-11,609.57

Finding the Fourth Proportional to 21,041.61, 29,035.37 and 11,609.57

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Solution

The fourth proportional to 21,041.61, 29,035.37 and 11,609.57 is: 16,020.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,041.61 : 29,035.37 = 11,609.57 : x
  2. Step 2: Convert to fraction form
    21,041.61/29,035.37 = 11,609.57/x
  3. Step 3: Cross multiply
    21,041.61x = 29,035.37 × 11,609.57
  4. Step 4: Simplify right side
    21,041.61x = 337,087,957.27
  5. Step 5: Solve for x
    x = 337,087,957.27/21,041.61
  6. Step 6: Final answer
    x = 16,020.06

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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.