Home / 10,778.58-16,164.68-4,203.18

Finding the Fourth Proportional to 10,778.58, 16,164.68 and 4,203.18

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Solution

The fourth proportional to 10,778.58, 16,164.68 and 4,203.18 is: 6,303.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,778.58 : 16,164.68 = 4,203.18 : x
  2. Step 2: Convert to fraction form
    10,778.58/16,164.68 = 4,203.18/x
  3. Step 3: Cross multiply
    10,778.58x = 16,164.68 × 4,203.18
  4. Step 4: Simplify right side
    10,778.58x = 67,943,038.67
  5. Step 5: Solve for x
    x = 67,943,038.67/10,778.58
  6. Step 6: Final answer
    x = 6,303.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.