Home / 10,343.81-14,274.47-5,628.11

Finding the Fourth Proportional to 10,343.81, 14,274.47 and 5,628.11

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Solution

The fourth proportional to 10,343.81, 14,274.47 and 5,628.11 is: 7,766.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,343.81 : 14,274.47 = 5,628.11 : x
  2. Step 2: Convert to fraction form
    10,343.81/14,274.47 = 5,628.11/x
  3. Step 3: Cross multiply
    10,343.81x = 14,274.47 × 5,628.11
  4. Step 4: Simplify right side
    10,343.81x = 80,338,230.05
  5. Step 5: Solve for x
    x = 80,338,230.05/10,343.81
  6. Step 6: Final answer
    x = 7,766.79

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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.