Home / 12,537.21-17,301.66-6,872.20

Finding the Fourth Proportional to 12,537.21, 17,301.66 and 6,872.20

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Solution

The fourth proportional to 12,537.21, 17,301.66 and 6,872.20 is: 9,483.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,537.21 : 17,301.66 = 6,872.20 : x
  2. Step 2: Convert to fraction form
    12,537.21/17,301.66 = 6,872.20/x
  3. Step 3: Cross multiply
    12,537.21x = 17,301.66 × 6,872.20
  4. Step 4: Simplify right side
    12,537.21x = 118,900,511.11
  5. Step 5: Solve for x
    x = 118,900,511.11/12,537.21
  6. Step 6: Final answer
    x = 9,483.81

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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.