Home / 21,300.35-29,394.68-11,740.58

Finding the Fourth Proportional to 21,300.35, 29,394.68 and 11,740.58

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Solution

The fourth proportional to 21,300.35, 29,394.68 and 11,740.58 is: 16,202.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,300.35 : 29,394.68 = 11,740.58 : x
  2. Step 2: Convert to fraction form
    21,300.35/29,394.68 = 11,740.58/x
  3. Step 3: Cross multiply
    21,300.35x = 29,394.68 × 11,740.58
  4. Step 4: Simplify right side
    21,300.35x = 345,110,386.44
  5. Step 5: Solve for x
    x = 345,110,386.44/21,300.35
  6. Step 6: Final answer
    x = 16,202.10

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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.