Home / 11,774.16-16,250.94-8,145.32

Finding the Fourth Proportional to 11,774.16, 16,250.94 and 8,145.32

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Solution

The fourth proportional to 11,774.16, 16,250.94 and 8,145.32 is: 11,242.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,774.16 : 16,250.94 = 8,145.32 : x
  2. Step 2: Convert to fraction form
    11,774.16/16,250.94 = 8,145.32/x
  3. Step 3: Cross multiply
    11,774.16x = 16,250.94 × 8,145.32
  4. Step 4: Simplify right side
    11,774.16x = 132,369,106.60
  5. Step 5: Solve for x
    x = 132,369,106.60/11,774.16
  6. Step 6: Final answer
    x = 11,242.34

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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.