Home / 21,448.70-29,599.21-12,017.34

Finding the Fourth Proportional to 21,448.70, 29,599.21 and 12,017.34

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Solution

The fourth proportional to 21,448.70, 29,599.21 and 12,017.34 is: 16,583.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,448.70 : 29,599.21 = 12,017.34 : x
  2. Step 2: Convert to fraction form
    21,448.70/29,599.21 = 12,017.34/x
  3. Step 3: Cross multiply
    21,448.70x = 29,599.21 × 12,017.34
  4. Step 4: Simplify right side
    21,448.70x = 355,703,770.30
  5. Step 5: Solve for x
    x = 355,703,770.30/21,448.70
  6. Step 6: Final answer
    x = 16,583.93

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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.