Home / 12,289.74-16,959.39-6,700.62

Finding the Fourth Proportional to 12,289.74, 16,959.39 and 6,700.62

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Solution

The fourth proportional to 12,289.74, 16,959.39 and 6,700.62 is: 9,246.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,289.74 : 16,959.39 = 6,700.62 : x
  2. Step 2: Convert to fraction form
    12,289.74/16,959.39 = 6,700.62/x
  3. Step 3: Cross multiply
    12,289.74x = 16,959.39 × 6,700.62
  4. Step 4: Simplify right side
    12,289.74x = 113,638,427.82
  5. Step 5: Solve for x
    x = 113,638,427.82/12,289.74
  6. Step 6: Final answer
    x = 9,246.61

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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.