Home / 11,647.32-16,070.80-6,930.68

Finding the Fourth Proportional to 11,647.32, 16,070.80 and 6,930.68

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Solution

The fourth proportional to 11,647.32, 16,070.80 and 6,930.68 is: 9,562.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,647.32 : 16,070.80 = 6,930.68 : x
  2. Step 2: Convert to fraction form
    11,647.32/16,070.80 = 6,930.68/x
  3. Step 3: Cross multiply
    11,647.32x = 16,070.80 × 6,930.68
  4. Step 4: Simplify right side
    11,647.32x = 111,381,572.14
  5. Step 5: Solve for x
    x = 111,381,572.14/11,647.32
  6. Step 6: Final answer
    x = 9,562.85

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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.