Home / 10,376.83-14,318.94-6,399.73

Finding the Fourth Proportional to 10,376.83, 14,318.94 and 6,399.73

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Solution

The fourth proportional to 10,376.83, 14,318.94 and 6,399.73 is: 8,830.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,376.83 : 14,318.94 = 6,399.73 : x
  2. Step 2: Convert to fraction form
    10,376.83/14,318.94 = 6,399.73/x
  3. Step 3: Cross multiply
    10,376.83x = 14,318.94 × 6,399.73
  4. Step 4: Simplify right side
    10,376.83x = 91,637,349.89
  5. Step 5: Solve for x
    x = 91,637,349.89/10,376.83
  6. Step 6: Final answer
    x = 8,830.96

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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.