Home / 14,178.96-21,269.46-4,318.20

Finding the Fourth Proportional to 14,178.96, 21,269.46 and 4,318.20

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Solution

The fourth proportional to 14,178.96, 21,269.46 and 4,318.20 is: 6,477.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,178.96 : 21,269.46 = 4,318.20 : x
  2. Step 2: Convert to fraction form
    14,178.96/21,269.46 = 4,318.20/x
  3. Step 3: Cross multiply
    14,178.96x = 21,269.46 × 4,318.20
  4. Step 4: Simplify right side
    14,178.96x = 91,845,782.17
  5. Step 5: Solve for x
    x = 91,845,782.17/14,178.96
  6. Step 6: Final answer
    x = 6,477.61

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1.5x scale

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.