Home / 14,487.37-19,991.87-8,897.29

Finding the Fourth Proportional to 14,487.37, 19,991.87 and 8,897.29

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Solution

The fourth proportional to 14,487.37, 19,991.87 and 8,897.29 is: 12,277.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,487.37 : 19,991.87 = 8,897.29 : x
  2. Step 2: Convert to fraction form
    14,487.37/19,991.87 = 8,897.29/x
  3. Step 3: Cross multiply
    14,487.37x = 19,991.87 × 8,897.29
  4. Step 4: Simplify right side
    14,487.37x = 177,873,465.03
  5. Step 5: Solve for x
    x = 177,873,465.03/14,487.37
  6. Step 6: Final answer
    x = 12,277.83

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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.