Home / 10,136.93-15,181.88-9,786.51

Finding the Fourth Proportional to 10,136.93, 15,181.88 and 9,786.51

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Solution

The fourth proportional to 10,136.93, 15,181.88 and 9,786.51 is: 14,657.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,136.93 : 15,181.88 = 9,786.51 : x
  2. Step 2: Convert to fraction form
    10,136.93/15,181.88 = 9,786.51/x
  3. Step 3: Cross multiply
    10,136.93x = 15,181.88 × 9,786.51
  4. Step 4: Simplify right side
    10,136.93x = 148,577,571.51
  5. Step 5: Solve for x
    x = 148,577,571.51/10,136.93
  6. Step 6: Final answer
    x = 14,657.07

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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.