Home / 11,680.23-16,129.35-7,495.77

Finding the Fourth Proportional to 11,680.23, 16,129.35 and 7,495.77

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Solution

The fourth proportional to 11,680.23, 16,129.35 and 7,495.77 is: 10,350.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,680.23 : 16,129.35 = 7,495.77 : x
  2. Step 2: Convert to fraction form
    11,680.23/16,129.35 = 7,495.77/x
  3. Step 3: Cross multiply
    11,680.23x = 16,129.35 × 7,495.77
  4. Step 4: Simplify right side
    11,680.23x = 120,901,897.85
  5. Step 5: Solve for x
    x = 120,901,897.85/11,680.23
  6. Step 6: Final answer
    x = 10,350.99

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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.