Home / 11,631.88-16,046.70-6,913.48

Finding the Fourth Proportional to 11,631.88, 16,046.70 and 6,913.48

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Solution

The fourth proportional to 11,631.88, 16,046.70 and 6,913.48 is: 9,537.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,631.88 : 16,046.70 = 6,913.48 : x
  2. Step 2: Convert to fraction form
    11,631.88/16,046.70 = 6,913.48/x
  3. Step 3: Cross multiply
    11,631.88x = 16,046.70 × 6,913.48
  4. Step 4: Simplify right side
    11,631.88x = 110,938,539.52
  5. Step 5: Solve for x
    x = 110,938,539.52/11,631.88
  6. Step 6: Final answer
    x = 9,537.46

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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.