Home / 12,534.39-18,795.42-5,136.84

Finding the Fourth Proportional to 12,534.39, 18,795.42 and 5,136.84

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Solution

The fourth proportional to 12,534.39, 18,795.42 and 5,136.84 is: 7,702.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,534.39 : 18,795.42 = 5,136.84 : x
  2. Step 2: Convert to fraction form
    12,534.39/18,795.42 = 5,136.84/x
  3. Step 3: Cross multiply
    12,534.39x = 18,795.42 × 5,136.84
  4. Step 4: Simplify right side
    12,534.39x = 96,549,065.27
  5. Step 5: Solve for x
    x = 96,549,065.27/12,534.39
  6. Step 6: Final answer
    x = 7,702.73

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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.