Home / 11,519.39-15,898.29-6,484.59

Finding the Fourth Proportional to 11,519.39, 15,898.29 and 6,484.59

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Solution

The fourth proportional to 11,519.39, 15,898.29 and 6,484.59 is: 8,949.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,519.39 : 15,898.29 = 6,484.59 : x
  2. Step 2: Convert to fraction form
    11,519.39/15,898.29 = 6,484.59/x
  3. Step 3: Cross multiply
    11,519.39x = 15,898.29 × 6,484.59
  4. Step 4: Simplify right side
    11,519.39x = 103,093,892.35
  5. Step 5: Solve for x
    x = 103,093,892.35/11,519.39
  6. Step 6: Final answer
    x = 8,949.60

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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.