Home / 11,290.43-15,582.57-6,814.82

Finding the Fourth Proportional to 11,290.43, 15,582.57 and 6,814.82

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Solution

The fourth proportional to 11,290.43, 15,582.57 and 6,814.82 is: 9,405.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,290.43 : 15,582.57 = 6,814.82 : x
  2. Step 2: Convert to fraction form
    11,290.43/15,582.57 = 6,814.82/x
  3. Step 3: Cross multiply
    11,290.43x = 15,582.57 × 6,814.82
  4. Step 4: Simplify right side
    11,290.43x = 106,192,409.69
  5. Step 5: Solve for x
    x = 106,192,409.69/11,290.43
  6. Step 6: Final answer
    x = 9,405.52

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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.