Home / 21,166.57-29,204.04-13,096.35

Finding the Fourth Proportional to 21,166.57, 29,204.04 and 13,096.35

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Solution

The fourth proportional to 21,166.57, 29,204.04 and 13,096.35 is: 18,069.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,166.57 : 29,204.04 = 13,096.35 : x
  2. Step 2: Convert to fraction form
    21,166.57/29,204.04 = 13,096.35/x
  3. Step 3: Cross multiply
    21,166.57x = 29,204.04 × 13,096.35
  4. Step 4: Simplify right side
    21,166.57x = 382,466,378.37
  5. Step 5: Solve for x
    x = 382,466,378.37/21,166.57
  6. Step 6: Final answer
    x = 18,069.36

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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.