Home / 10,344.42-14,274.87-5,628.71

Finding the Fourth Proportional to 10,344.42, 14,274.87 and 5,628.71

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Solution

The fourth proportional to 10,344.42, 14,274.87 and 5,628.71 is: 7,767.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,344.42 : 14,274.87 = 5,628.71 : x
  2. Step 2: Convert to fraction form
    10,344.42/14,274.87 = 5,628.71/x
  3. Step 3: Cross multiply
    10,344.42x = 14,274.87 × 5,628.71
  4. Step 4: Simplify right side
    10,344.42x = 80,349,032.14
  5. Step 5: Solve for x
    x = 80,349,032.14/10,344.42
  6. Step 6: Final answer
    x = 7,767.38

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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.