Home / 21,203.41-29,265.06-12,249.67

Finding the Fourth Proportional to 21,203.41, 29,265.06 and 12,249.67

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Solution

The fourth proportional to 21,203.41, 29,265.06 and 12,249.67 is: 16,907.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,203.41 : 29,265.06 = 12,249.67 : x
  2. Step 2: Convert to fraction form
    21,203.41/29,265.06 = 12,249.67/x
  3. Step 3: Cross multiply
    21,203.41x = 29,265.06 × 12,249.67
  4. Step 4: Simplify right side
    21,203.41x = 358,487,327.53
  5. Step 5: Solve for x
    x = 358,487,327.53/21,203.41
  6. Step 6: Final answer
    x = 16,907.06

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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.