Home / 11,486.52-17,231.76-5,643.72

Finding the Fourth Proportional to 11,486.52, 17,231.76 and 5,643.72

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Solution

The fourth proportional to 11,486.52, 17,231.76 and 5,643.72 is: 8,466.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,486.52 : 17,231.76 = 5,643.72 : x
  2. Step 2: Convert to fraction form
    11,486.52/17,231.76 = 5,643.72/x
  3. Step 3: Cross multiply
    11,486.52x = 17,231.76 × 5,643.72
  4. Step 4: Simplify right side
    11,486.52x = 97,251,228.55
  5. Step 5: Solve for x
    x = 97,251,228.55/11,486.52
  6. Step 6: Final answer
    x = 8,466.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.