Home / 19,904.34-29,855.53-7,423.39

Finding the Fourth Proportional to 19,904.34, 29,855.53 and 7,423.39

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Solution

The fourth proportional to 19,904.34, 29,855.53 and 7,423.39 is: 11,134.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,904.34 : 29,855.53 = 7,423.39 : x
  2. Step 2: Convert to fraction form
    19,904.34/29,855.53 = 7,423.39/x
  3. Step 3: Cross multiply
    19,904.34x = 29,855.53 × 7,423.39
  4. Step 4: Simplify right side
    19,904.34x = 221,629,242.85
  5. Step 5: Solve for x
    x = 221,629,242.85/19,904.34
  6. Step 6: Final answer
    x = 11,134.72

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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.