Home / 11,679.55-17,521.64-4,284.08

Finding the Fourth Proportional to 11,679.55, 17,521.64 and 4,284.08

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Solution

The fourth proportional to 11,679.55, 17,521.64 and 4,284.08 is: 6,426.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,679.55 : 17,521.64 = 4,284.08 : x
  2. Step 2: Convert to fraction form
    11,679.55/17,521.64 = 4,284.08/x
  3. Step 3: Cross multiply
    11,679.55x = 17,521.64 × 4,284.08
  4. Step 4: Simplify right side
    11,679.55x = 75,064,064.17
  5. Step 5: Solve for x
    x = 75,064,064.17/11,679.55
  6. Step 6: Final answer
    x = 6,426.96

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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.