Home / 11,346.58-15,657.98-6,310.54

Finding the Fourth Proportional to 11,346.58, 15,657.98 and 6,310.54

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Solution

The fourth proportional to 11,346.58, 15,657.98 and 6,310.54 is: 8,708.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,346.58 : 15,657.98 = 6,310.54 : x
  2. Step 2: Convert to fraction form
    11,346.58/15,657.98 = 6,310.54/x
  3. Step 3: Cross multiply
    11,346.58x = 15,657.98 × 6,310.54
  4. Step 4: Simplify right side
    11,346.58x = 98,810,309.11
  5. Step 5: Solve for x
    x = 98,810,309.11/11,346.58
  6. Step 6: Final answer
    x = 8,708.38

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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.