Home / 10,343.75-14,274.28-5,628.03

Finding the Fourth Proportional to 10,343.75, 14,274.28 and 5,628.03

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Solution

The fourth proportional to 10,343.75, 14,274.28 and 5,628.03 is: 7,766.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,343.75 : 14,274.28 = 5,628.03 : x
  2. Step 2: Convert to fraction form
    10,343.75/14,274.28 = 5,628.03/x
  3. Step 3: Cross multiply
    10,343.75x = 14,274.28 × 5,628.03
  4. Step 4: Simplify right side
    10,343.75x = 80,336,078.21
  5. Step 5: Solve for x
    x = 80,336,078.21/10,343.75
  6. Step 6: Final answer
    x = 7,766.63

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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.