Home / 16,765.11-23,135.87-9,211.93

Finding the Fourth Proportional to 16,765.11, 23,135.87 and 9,211.93

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Solution

The fourth proportional to 16,765.11, 23,135.87 and 9,211.93 is: 12,712.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,765.11 : 23,135.87 = 9,211.93 : x
  2. Step 2: Convert to fraction form
    16,765.11/23,135.87 = 9,211.93/x
  3. Step 3: Cross multiply
    16,765.11x = 23,135.87 × 9,211.93
  4. Step 4: Simplify right side
    16,765.11x = 213,126,014.93
  5. Step 5: Solve for x
    x = 213,126,014.93/16,765.11
  6. Step 6: Final answer
    x = 12,712.47

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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.