Home / 10,005.85-13,804.59-6,226.80

Finding the Fourth Proportional to 10,005.85, 13,804.59 and 6,226.80

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Solution

The fourth proportional to 10,005.85, 13,804.59 and 6,226.80 is: 8,590.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,005.85 : 13,804.59 = 6,226.80 : x
  2. Step 2: Convert to fraction form
    10,005.85/13,804.59 = 6,226.80/x
  3. Step 3: Cross multiply
    10,005.85x = 13,804.59 × 6,226.80
  4. Step 4: Simplify right side
    10,005.85x = 85,958,421.01
  5. Step 5: Solve for x
    x = 85,958,421.01/10,005.85
  6. Step 6: Final answer
    x = 8,590.82

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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.