Home / 21,016.04-29,006.26-12,069.56

Finding the Fourth Proportional to 21,016.04, 29,006.26 and 12,069.56

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Solution

The fourth proportional to 21,016.04, 29,006.26 and 12,069.56 is: 16,658.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,016.04 : 29,006.26 = 12,069.56 : x
  2. Step 2: Convert to fraction form
    21,016.04/29,006.26 = 12,069.56/x
  3. Step 3: Cross multiply
    21,016.04x = 29,006.26 × 12,069.56
  4. Step 4: Simplify right side
    21,016.04x = 350,092,795.45
  5. Step 5: Solve for x
    x = 350,092,795.45/21,016.04
  6. Step 6: Final answer
    x = 16,658.36

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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.