Home / 9,938.46-14,907.66-2,542.90

Finding the Fourth Proportional to 9,938.46, 14,907.66 and 2,542.90

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Solution

The fourth proportional to 9,938.46, 14,907.66 and 2,542.90 is: 3,814.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,938.46 : 14,907.66 = 2,542.90 : x
  2. Step 2: Convert to fraction form
    9,938.46/14,907.66 = 2,542.90/x
  3. Step 3: Cross multiply
    9,938.46x = 14,907.66 × 2,542.90
  4. Step 4: Simplify right side
    9,938.46x = 37,908,688.61
  5. Step 5: Solve for x
    x = 37,908,688.61/9,938.46
  6. Step 6: Final answer
    x = 3,814.34

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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.