Home / 10,375.84-14,314.60-6,390.04

Finding the Fourth Proportional to 10,375.84, 14,314.60 and 6,390.04

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Solution

The fourth proportional to 10,375.84, 14,314.60 and 6,390.04 is: 8,815.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,375.84 : 14,314.60 = 6,390.04 : x
  2. Step 2: Convert to fraction form
    10,375.84/14,314.60 = 6,390.04/x
  3. Step 3: Cross multiply
    10,375.84x = 14,314.60 × 6,390.04
  4. Step 4: Simplify right side
    10,375.84x = 91,470,866.58
  5. Step 5: Solve for x
    x = 91,470,866.58/10,375.84
  6. Step 6: Final answer
    x = 8,815.76

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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.