Home / 11,985.35-16,541.37-6,882.89

Finding the Fourth Proportional to 11,985.35, 16,541.37 and 6,882.89

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Solution

The fourth proportional to 11,985.35, 16,541.37 and 6,882.89 is: 9,499.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,985.35 : 16,541.37 = 6,882.89 : x
  2. Step 2: Convert to fraction form
    11,985.35/16,541.37 = 6,882.89/x
  3. Step 3: Cross multiply
    11,985.35x = 16,541.37 × 6,882.89
  4. Step 4: Simplify right side
    11,985.35x = 113,852,347.45
  5. Step 5: Solve for x
    x = 113,852,347.45/11,985.35
  6. Step 6: Final answer
    x = 9,499.30

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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.