Home / 11,400.55-15,733.01-6,296.05

Finding the Fourth Proportional to 11,400.55, 15,733.01 and 6,296.05

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Solution

The fourth proportional to 11,400.55, 15,733.01 and 6,296.05 is: 8,688.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,400.55 : 15,733.01 = 6,296.05 : x
  2. Step 2: Convert to fraction form
    11,400.55/15,733.01 = 6,296.05/x
  3. Step 3: Cross multiply
    11,400.55x = 15,733.01 × 6,296.05
  4. Step 4: Simplify right side
    11,400.55x = 99,055,817.61
  5. Step 5: Solve for x
    x = 99,055,817.61/11,400.55
  6. Step 6: Final answer
    x = 8,688.69

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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.