Home / 15,265.26-21,064.86-8,550.36

Finding the Fourth Proportional to 15,265.26, 21,064.86 and 8,550.36

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Solution

The fourth proportional to 15,265.26, 21,064.86 and 8,550.36 is: 11,798.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,265.26 : 21,064.86 = 8,550.36 : x
  2. Step 2: Convert to fraction form
    15,265.26/21,064.86 = 8,550.36/x
  3. Step 3: Cross multiply
    15,265.26x = 21,064.86 × 8,550.36
  4. Step 4: Simplify right side
    15,265.26x = 180,112,136.35
  5. Step 5: Solve for x
    x = 180,112,136.35/15,265.26
  6. Step 6: Final answer
    x = 11,798.83

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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.