Home / 19,938.42-29,935.31-10,084.64

Finding the Fourth Proportional to 19,938.42, 29,935.31 and 10,084.64

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Solution

The fourth proportional to 19,938.42, 29,935.31 and 10,084.64 is: 15,140.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,938.42 : 29,935.31 = 10,084.64 : x
  2. Step 2: Convert to fraction form
    19,938.42/29,935.31 = 10,084.64/x
  3. Step 3: Cross multiply
    19,938.42x = 29,935.31 × 10,084.64
  4. Step 4: Simplify right side
    19,938.42x = 301,886,624.54
  5. Step 5: Solve for x
    x = 301,886,624.54/19,938.42
  6. Step 6: Final answer
    x = 15,140.95

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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.