Home / 12,235.64-16,886.36-6,858.99

Finding the Fourth Proportional to 12,235.64, 16,886.36 and 6,858.99

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Solution

The fourth proportional to 12,235.64, 16,886.36 and 6,858.99 is: 9,466.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,235.64 : 16,886.36 = 6,858.99 : x
  2. Step 2: Convert to fraction form
    12,235.64/16,886.36 = 6,858.99/x
  3. Step 3: Cross multiply
    12,235.64x = 16,886.36 × 6,858.99
  4. Step 4: Simplify right side
    12,235.64x = 115,823,289.94
  5. Step 5: Solve for x
    x = 115,823,289.94/12,235.64
  6. Step 6: Final answer
    x = 9,466.06

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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.