Home / 8,736.12-12,055.23-4,959.36

Finding the Fourth Proportional to 8,736.12, 12,055.23 and 4,959.36

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Solution

The fourth proportional to 8,736.12, 12,055.23 and 4,959.36 is: 6,843.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,736.12 : 12,055.23 = 4,959.36 : x
  2. Step 2: Convert to fraction form
    8,736.12/12,055.23 = 4,959.36/x
  3. Step 3: Cross multiply
    8,736.12x = 12,055.23 × 4,959.36
  4. Step 4: Simplify right side
    8,736.12x = 59,786,225.45
  5. Step 5: Solve for x
    x = 59,786,225.45/8,736.12
  6. Step 6: Final answer
    x = 6,843.57

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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.