Home / 11,521.61-17,288.06-4,126.64

Finding the Fourth Proportional to 11,521.61, 17,288.06 and 4,126.64

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Solution

The fourth proportional to 11,521.61, 17,288.06 and 4,126.64 is: 6,191.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,521.61 : 17,288.06 = 4,126.64 : x
  2. Step 2: Convert to fraction form
    11,521.61/17,288.06 = 4,126.64/x
  3. Step 3: Cross multiply
    11,521.61x = 17,288.06 × 4,126.64
  4. Step 4: Simplify right side
    11,521.61x = 71,341,599.92
  5. Step 5: Solve for x
    x = 71,341,599.92/11,521.61
  6. Step 6: Final answer
    x = 6,191.98

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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.