Home / 10,136.84-13,986.34-6,157.71

Finding the Fourth Proportional to 10,136.84, 13,986.34 and 6,157.71

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Solution

The fourth proportional to 10,136.84, 13,986.34 and 6,157.71 is: 8,496.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,136.84 : 13,986.34 = 6,157.71 : x
  2. Step 2: Convert to fraction form
    10,136.84/13,986.34 = 6,157.71/x
  3. Step 3: Cross multiply
    10,136.84x = 13,986.34 × 6,157.71
  4. Step 4: Simplify right side
    10,136.84x = 86,123,810.29
  5. Step 5: Solve for x
    x = 86,123,810.29/10,136.84
  6. Step 6: Final answer
    x = 8,496.12

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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.