Home / 9,938.63-14,908.46-2,543.15

Finding the Fourth Proportional to 9,938.63, 14,908.46 and 2,543.15

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Solution

The fourth proportional to 9,938.63, 14,908.46 and 2,543.15 is: 3,814.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,938.63 : 14,908.46 = 2,543.15 : x
  2. Step 2: Convert to fraction form
    9,938.63/14,908.46 = 2,543.15/x
  3. Step 3: Cross multiply
    9,938.63x = 14,908.46 × 2,543.15
  4. Step 4: Simplify right side
    9,938.63x = 37,914,428.23
  5. Step 5: Solve for x
    x = 37,914,428.23/9,938.63
  6. Step 6: Final answer
    x = 3,814.86

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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.