Home / 11,266.86-15,548.25-6,789.39

Finding the Fourth Proportional to 11,266.86, 15,548.25 and 6,789.39

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Solution

The fourth proportional to 11,266.86, 15,548.25 and 6,789.39 is: 9,369.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,266.86 : 15,548.25 = 6,789.39 : x
  2. Step 2: Convert to fraction form
    11,266.86/15,548.25 = 6,789.39/x
  3. Step 3: Cross multiply
    11,266.86x = 15,548.25 × 6,789.39
  4. Step 4: Simplify right side
    11,266.86x = 105,563,133.07
  5. Step 5: Solve for x
    x = 105,563,133.07/11,266.86
  6. Step 6: Final answer
    x = 9,369.35

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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.