Home / 9,918.04-13,687.32-5,938.39

Finding the Fourth Proportional to 9,918.04, 13,687.32 and 5,938.39

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Solution

The fourth proportional to 9,918.04, 13,687.32 and 5,938.39 is: 8,195.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,918.04 : 13,687.32 = 5,938.39 : x
  2. Step 2: Convert to fraction form
    9,918.04/13,687.32 = 5,938.39/x
  3. Step 3: Cross multiply
    9,918.04x = 13,687.32 × 5,938.39
  4. Step 4: Simplify right side
    9,918.04x = 81,280,644.21
  5. Step 5: Solve for x
    x = 81,280,644.21/9,918.04
  6. Step 6: Final answer
    x = 8,195.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.