Home / 11,818.13-17,729.64-4,892.63

Finding the Fourth Proportional to 11,818.13, 17,729.64 and 4,892.63

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Solution

The fourth proportional to 11,818.13, 17,729.64 and 4,892.63 is: 7,339.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,818.13 : 17,729.64 = 4,892.63 : x
  2. Step 2: Convert to fraction form
    11,818.13/17,729.64 = 4,892.63/x
  3. Step 3: Cross multiply
    11,818.13x = 17,729.64 × 4,892.63
  4. Step 4: Simplify right side
    11,818.13x = 86,744,479.91
  5. Step 5: Solve for x
    x = 86,744,479.91/11,818.13
  6. Step 6: Final answer
    x = 7,339.95

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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.