Home / 12,653.37-18,986.91-5,262.93

Finding the Fourth Proportional to 12,653.37, 18,986.91 and 5,262.93

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Solution

The fourth proportional to 12,653.37, 18,986.91 and 5,262.93 is: 7,897.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,653.37 : 18,986.91 = 5,262.93 : x
  2. Step 2: Convert to fraction form
    12,653.37/18,986.91 = 5,262.93/x
  3. Step 3: Cross multiply
    12,653.37x = 18,986.91 × 5,262.93
  4. Step 4: Simplify right side
    12,653.37x = 99,926,778.25
  5. Step 5: Solve for x
    x = 99,926,778.25/12,653.37
  6. Step 6: Final answer
    x = 7,897.25

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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.