Home / 10,839.42-14,955.39-6,862.23

Finding the Fourth Proportional to 10,839.42, 14,955.39 and 6,862.23

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Solution

The fourth proportional to 10,839.42, 14,955.39 and 6,862.23 is: 9,467.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,839.42 : 14,955.39 = 6,862.23 : x
  2. Step 2: Convert to fraction form
    10,839.42/14,955.39 = 6,862.23/x
  3. Step 3: Cross multiply
    10,839.42x = 14,955.39 × 6,862.23
  4. Step 4: Simplify right side
    10,839.42x = 102,627,325.92
  5. Step 5: Solve for x
    x = 102,627,325.92/10,839.42
  6. Step 6: Final answer
    x = 9,467.97

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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.