Home / 11,926.85-16,459.63-6,891.74

Finding the Fourth Proportional to 11,926.85, 16,459.63 and 6,891.74

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Solution

The fourth proportional to 11,926.85, 16,459.63 and 6,891.74 is: 9,510.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,926.85 : 16,459.63 = 6,891.74 : x
  2. Step 2: Convert to fraction form
    11,926.85/16,459.63 = 6,891.74/x
  3. Step 3: Cross multiply
    11,926.85x = 16,459.63 × 6,891.74
  4. Step 4: Simplify right side
    11,926.85x = 113,435,514.38
  5. Step 5: Solve for x
    x = 113,435,514.38/11,926.85
  6. Step 6: Final answer
    x = 9,510.93

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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.