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Finding the Fourth Proportional to 12,466.98, 17,205.21 and 6,877.98

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Solution

The fourth proportional to 12,466.98, 17,205.21 and 6,877.98 is: 9,492.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,466.98 : 17,205.21 = 6,877.98 : x
  2. Step 2: Convert to fraction form
    12,466.98/17,205.21 = 6,877.98/x
  3. Step 3: Cross multiply
    12,466.98x = 17,205.21 × 6,877.98
  4. Step 4: Simplify right side
    12,466.98x = 118,337,090.28
  5. Step 5: Solve for x
    x = 118,337,090.28/12,466.98
  6. Step 6: Final answer
    x = 9,492.04

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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.