Home / 8,643.24-11,927.39-5,106.38

Finding the Fourth Proportional to 8,643.24, 11,927.39 and 5,106.38

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Solution

The fourth proportional to 8,643.24, 11,927.39 and 5,106.38 is: 7,046.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,643.24 : 11,927.39 = 5,106.38 : x
  2. Step 2: Convert to fraction form
    8,643.24/11,927.39 = 5,106.38/x
  3. Step 3: Cross multiply
    8,643.24x = 11,927.39 × 5,106.38
  4. Step 4: Simplify right side
    8,643.24x = 60,905,700.58
  5. Step 5: Solve for x
    x = 60,905,700.58/8,643.24
  6. Step 6: Final answer
    x = 7,046.63

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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.