Home / 12,253.98-16,909.51-6,949.29

Finding the Fourth Proportional to 12,253.98, 16,909.51 and 6,949.29

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Solution

The fourth proportional to 12,253.98, 16,909.51 and 6,949.29 is: 9,589.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,253.98 : 16,909.51 = 6,949.29 : x
  2. Step 2: Convert to fraction form
    12,253.98/16,909.51 = 6,949.29/x
  3. Step 3: Cross multiply
    12,253.98x = 16,909.51 × 6,949.29
  4. Step 4: Simplify right side
    12,253.98x = 117,509,147.82
  5. Step 5: Solve for x
    x = 117,509,147.82/12,253.98
  6. Step 6: Final answer
    x = 9,589.46

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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.