Home / 10,816.62-14,927.13-6,343.60

Finding the Fourth Proportional to 10,816.62, 14,927.13 and 6,343.60

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Solution

The fourth proportional to 10,816.62, 14,927.13 and 6,343.60 is: 8,754.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,816.62 : 14,927.13 = 6,343.60 : x
  2. Step 2: Convert to fraction form
    10,816.62/14,927.13 = 6,343.60/x
  3. Step 3: Cross multiply
    10,816.62x = 14,927.13 × 6,343.60
  4. Step 4: Simplify right side
    10,816.62x = 94,691,704.55
  5. Step 5: Solve for x
    x = 94,691,704.55/10,816.62
  6. Step 6: Final answer
    x = 8,754.28

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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.