Home / 11,895.83-16,417.60-8,308.55

Finding the Fourth Proportional to 11,895.83, 16,417.60 and 8,308.55

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Solution

The fourth proportional to 11,895.83, 16,417.60 and 8,308.55 is: 11,466.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,895.83 : 16,417.60 = 8,308.55 : x
  2. Step 2: Convert to fraction form
    11,895.83/16,417.60 = 8,308.55/x
  3. Step 3: Cross multiply
    11,895.83x = 16,417.60 × 8,308.55
  4. Step 4: Simplify right side
    11,895.83x = 136,406,347.62
  5. Step 5: Solve for x
    x = 136,406,347.62/11,895.83
  6. Step 6: Final answer
    x = 11,466.73

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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.