Home / 11,203.32-15,459.90-6,166.56

Finding the Fourth Proportional to 11,203.32, 15,459.90 and 6,166.56

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Solution

The fourth proportional to 11,203.32, 15,459.90 and 6,166.56 is: 8,509.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,203.32 : 15,459.90 = 6,166.56 : x
  2. Step 2: Convert to fraction form
    11,203.32/15,459.90 = 6,166.56/x
  3. Step 3: Cross multiply
    11,203.32x = 15,459.90 × 6,166.56
  4. Step 4: Simplify right side
    11,203.32x = 95,334,400.94
  5. Step 5: Solve for x
    x = 95,334,400.94/11,203.32
  6. Step 6: Final answer
    x = 8,509.48

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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.