Home / 10,709.76-16,062.48-4,136.88

Finding the Fourth Proportional to 10,709.76, 16,062.48 and 4,136.88

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Solution

The fourth proportional to 10,709.76, 16,062.48 and 4,136.88 is: 6,204.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,709.76 : 16,062.48 = 4,136.88 : x
  2. Step 2: Convert to fraction form
    10,709.76/16,062.48 = 4,136.88/x
  3. Step 3: Cross multiply
    10,709.76x = 16,062.48 × 4,136.88
  4. Step 4: Simplify right side
    10,709.76x = 66,448,552.26
  5. Step 5: Solve for x
    x = 66,448,552.26/10,709.76
  6. Step 6: Final answer
    x = 6,204.49

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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.