Home / 11,900.55-16,417.23-8,365.85

Finding the Fourth Proportional to 11,900.55, 16,417.23 and 8,365.85

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Solution

The fourth proportional to 11,900.55, 16,417.23 and 8,365.85 is: 11,540.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,900.55 : 16,417.23 = 8,365.85 : x
  2. Step 2: Convert to fraction form
    11,900.55/16,417.23 = 8,365.85/x
  3. Step 3: Cross multiply
    11,900.55x = 16,417.23 × 8,365.85
  4. Step 4: Simplify right side
    11,900.55x = 137,344,001.51
  5. Step 5: Solve for x
    x = 137,344,001.51/11,900.55
  6. Step 6: Final answer
    x = 11,540.98

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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.