Home / 11,519.72-15,895.68-6,483.74

Finding the Fourth Proportional to 11,519.72, 15,895.68 and 6,483.74

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Solution

The fourth proportional to 11,519.72, 15,895.68 and 6,483.74 is: 8,946.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,519.72 : 15,895.68 = 6,483.74 : x
  2. Step 2: Convert to fraction form
    11,519.72/15,895.68 = 6,483.74/x
  3. Step 3: Cross multiply
    11,519.72x = 15,895.68 × 6,483.74
  4. Step 4: Simplify right side
    11,519.72x = 103,063,456.24
  5. Step 5: Solve for x
    x = 103,063,456.24/11,519.72
  6. Step 6: Final answer
    x = 8,946.70

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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.