Home / 11,723.40-16,115.90-10,102.32

Finding the Fourth Proportional to 11,723.40, 16,115.90 and 10,102.32

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Solution

The fourth proportional to 11,723.40, 16,115.90 and 10,102.32 is: 13,887.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,723.40 : 16,115.90 = 10,102.32 : x
  2. Step 2: Convert to fraction form
    11,723.40/16,115.90 = 10,102.32/x
  3. Step 3: Cross multiply
    11,723.40x = 16,115.90 × 10,102.32
  4. Step 4: Simplify right side
    11,723.40x = 162,807,928.38
  5. Step 5: Solve for x
    x = 162,807,928.38/11,723.40
  6. Step 6: Final answer
    x = 13,887.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.