Home / 10,412.63-14,369.25-6,378.83

Finding the Fourth Proportional to 10,412.63, 14,369.25 and 6,378.83

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Solution

The fourth proportional to 10,412.63, 14,369.25 and 6,378.83 is: 8,802.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,412.63 : 14,369.25 = 6,378.83 : x
  2. Step 2: Convert to fraction form
    10,412.63/14,369.25 = 6,378.83/x
  3. Step 3: Cross multiply
    10,412.63x = 14,369.25 × 6,378.83
  4. Step 4: Simplify right side
    10,412.63x = 91,659,002.98
  5. Step 5: Solve for x
    x = 91,659,002.98/10,412.63
  6. Step 6: Final answer
    x = 8,802.68

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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.