Home / 11,179.12-15,426.87-6,143.34

Finding the Fourth Proportional to 11,179.12, 15,426.87 and 6,143.34

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Solution

The fourth proportional to 11,179.12, 15,426.87 and 6,143.34 is: 8,477.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,179.12 : 15,426.87 = 6,143.34 : x
  2. Step 2: Convert to fraction form
    11,179.12/15,426.87 = 6,143.34/x
  3. Step 3: Cross multiply
    11,179.12x = 15,426.87 × 6,143.34
  4. Step 4: Simplify right side
    11,179.12x = 94,772,516.25
  5. Step 5: Solve for x
    x = 94,772,516.25/11,179.12
  6. Step 6: Final answer
    x = 8,477.64

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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.