Home / 11,743.39-16,206.11-6,437.89

Finding the Fourth Proportional to 11,743.39, 16,206.11 and 6,437.89

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Solution

The fourth proportional to 11,743.39, 16,206.11 and 6,437.89 is: 8,884.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,743.39 : 16,206.11 = 6,437.89 : x
  2. Step 2: Convert to fraction form
    11,743.39/16,206.11 = 6,437.89/x
  3. Step 3: Cross multiply
    11,743.39x = 16,206.11 × 6,437.89
  4. Step 4: Simplify right side
    11,743.39x = 104,333,153.51
  5. Step 5: Solve for x
    x = 104,333,153.51/11,743.39
  6. Step 6: Final answer
    x = 8,884.42

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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.