Home / 10,380.43-14,340.60-6,803.88

Finding the Fourth Proportional to 10,380.43, 14,340.60 and 6,803.88

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Solution

The fourth proportional to 10,380.43, 14,340.60 and 6,803.88 is: 9,399.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,380.43 : 14,340.60 = 6,803.88 : x
  2. Step 2: Convert to fraction form
    10,380.43/14,340.60 = 6,803.88/x
  3. Step 3: Cross multiply
    10,380.43x = 14,340.60 × 6,803.88
  4. Step 4: Simplify right side
    10,380.43x = 97,571,721.53
  5. Step 5: Solve for x
    x = 97,571,721.53/10,380.43
  6. Step 6: Final answer
    x = 9,399.58

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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.