Home / 14,151.05-21,225.34-4,790.87

Finding the Fourth Proportional to 14,151.05, 21,225.34 and 4,790.87

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Solution

The fourth proportional to 14,151.05, 21,225.34 and 4,790.87 is: 7,185.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,151.05 : 21,225.34 = 4,790.87 : x
  2. Step 2: Convert to fraction form
    14,151.05/21,225.34 = 4,790.87/x
  3. Step 3: Cross multiply
    14,151.05x = 21,225.34 × 4,790.87
  4. Step 4: Simplify right side
    14,151.05x = 101,687,844.65
  5. Step 5: Solve for x
    x = 101,687,844.65/14,151.05
  6. Step 6: Final answer
    x = 7,185.89

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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.