Home / 11,731.98-16,189.29-6,425.94

Finding the Fourth Proportional to 11,731.98, 16,189.29 and 6,425.94

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Solution

The fourth proportional to 11,731.98, 16,189.29 and 6,425.94 is: 8,867.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,731.98 : 16,189.29 = 6,425.94 : x
  2. Step 2: Convert to fraction form
    11,731.98/16,189.29 = 6,425.94/x
  3. Step 3: Cross multiply
    11,731.98x = 16,189.29 × 6,425.94
  4. Step 4: Simplify right side
    11,731.98x = 104,031,406.18
  5. Step 5: Solve for x
    x = 104,031,406.18/11,731.98
  6. Step 6: Final answer
    x = 8,867.34

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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.