Home / 10,136.09-13,986.41-5,658.99

Finding the Fourth Proportional to 10,136.09, 13,986.41 and 5,658.99

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Solution

The fourth proportional to 10,136.09, 13,986.41 and 5,658.99 is: 7,808.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,136.09 : 13,986.41 = 5,658.99 : x
  2. Step 2: Convert to fraction form
    10,136.09/13,986.41 = 5,658.99/x
  3. Step 3: Cross multiply
    10,136.09x = 13,986.41 × 5,658.99
  4. Step 4: Simplify right side
    10,136.09x = 79,148,926.03
  5. Step 5: Solve for x
    x = 79,148,926.03/10,136.09
  6. Step 6: Final answer
    x = 7,808.63

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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.