Home / 12,288.32-16,957.88-6,699.32

Finding the Fourth Proportional to 12,288.32, 16,957.88 and 6,699.32

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Solution

The fourth proportional to 12,288.32, 16,957.88 and 6,699.32 is: 9,245.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,288.32 : 16,957.88 = 6,699.32 : x
  2. Step 2: Convert to fraction form
    12,288.32/16,957.88 = 6,699.32/x
  3. Step 3: Cross multiply
    12,288.32x = 16,957.88 × 6,699.32
  4. Step 4: Simplify right side
    12,288.32x = 113,606,264.64
  5. Step 5: Solve for x
    x = 113,606,264.64/12,288.32
  6. Step 6: Final answer
    x = 9,245.06

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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.