Home / 19,572.89-29,364.35-6,425.38

Finding the Fourth Proportional to 19,572.89, 29,364.35 and 6,425.38

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Solution

The fourth proportional to 19,572.89, 29,364.35 and 6,425.38 is: 9,639.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,572.89 : 29,364.35 = 6,425.38 : x
  2. Step 2: Convert to fraction form
    19,572.89/29,364.35 = 6,425.38/x
  3. Step 3: Cross multiply
    19,572.89x = 29,364.35 × 6,425.38
  4. Step 4: Simplify right side
    19,572.89x = 188,676,964.68
  5. Step 5: Solve for x
    x = 188,676,964.68/19,572.89
  6. Step 6: Final answer
    x = 9,639.71

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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.