Home / 12,476.64-18,623.52-11,000.32

Finding the Fourth Proportional to 12,476.64, 18,623.52 and 11,000.32

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Solution

The fourth proportional to 12,476.64, 18,623.52 and 11,000.32 is: 16,419.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476.64 : 18,623.52 = 11,000.32 : x
  2. Step 2: Convert to fraction form
    12,476.64/18,623.52 = 11,000.32/x
  3. Step 3: Cross multiply
    12,476.64x = 18,623.52 × 11,000.32
  4. Step 4: Simplify right side
    12,476.64x = 204,864,679.53
  5. Step 5: Solve for x
    x = 204,864,679.53/12,476.64
  6. Step 6: Final answer
    x = 16,419.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.