Home / 9,918.60-13,687.26-5,937.39

Finding the Fourth Proportional to 9,918.60, 13,687.26 and 5,937.39

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Solution

The fourth proportional to 9,918.60, 13,687.26 and 5,937.39 is: 8,193.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,918.60 : 13,687.26 = 5,937.39 : x
  2. Step 2: Convert to fraction form
    9,918.60/13,687.26 = 5,937.39/x
  3. Step 3: Cross multiply
    9,918.60x = 13,687.26 × 5,937.39
  4. Step 4: Simplify right side
    9,918.60x = 81,266,600.65
  5. Step 5: Solve for x
    x = 81,266,600.65/9,918.60
  6. Step 6: Final answer
    x = 8,193.35

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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.