Home / 11,566.55-15,961.74-6,261.32

Finding the Fourth Proportional to 11,566.55, 15,961.74 and 6,261.32

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Solution

The fourth proportional to 11,566.55, 15,961.74 and 6,261.32 is: 8,640.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,566.55 : 15,961.74 = 6,261.32 : x
  2. Step 2: Convert to fraction form
    11,566.55/15,961.74 = 6,261.32/x
  3. Step 3: Cross multiply
    11,566.55x = 15,961.74 × 6,261.32
  4. Step 4: Simplify right side
    11,566.55x = 99,941,561.90
  5. Step 5: Solve for x
    x = 99,941,561.90/11,566.55
  6. Step 6: Final answer
    x = 8,640.57

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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.