Home / 15,991.09-23,986.82-4,897.88

Finding the Fourth Proportional to 15,991.09, 23,986.82 and 4,897.88

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Solution

The fourth proportional to 15,991.09, 23,986.82 and 4,897.88 is: 7,346.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,991.09 : 23,986.82 = 4,897.88 : x
  2. Step 2: Convert to fraction form
    15,991.09/23,986.82 = 4,897.88/x
  3. Step 3: Cross multiply
    15,991.09x = 23,986.82 × 4,897.88
  4. Step 4: Simplify right side
    15,991.09x = 117,484,565.94
  5. Step 5: Solve for x
    x = 117,484,565.94/15,991.09
  6. Step 6: Final answer
    x = 7,346.88

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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.