Home / 14,900.19-22,369.83-9,991.80

Finding the Fourth Proportional to 14,900.19, 22,369.83 and 9,991.80

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Solution

The fourth proportional to 14,900.19, 22,369.83 and 9,991.80 is: 15,000.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,900.19 : 22,369.83 = 9,991.80 : x
  2. Step 2: Convert to fraction form
    14,900.19/22,369.83 = 9,991.80/x
  3. Step 3: Cross multiply
    14,900.19x = 22,369.83 × 9,991.80
  4. Step 4: Simplify right side
    14,900.19x = 223,514,867.39
  5. Step 5: Solve for x
    x = 223,514,867.39/14,900.19
  6. Step 6: Final answer
    x = 15,000.81

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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.