Home / 12,395.14-17,100.36-7,087.18

Finding the Fourth Proportional to 12,395.14, 17,100.36 and 7,087.18

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Solution

The fourth proportional to 12,395.14, 17,100.36 and 7,087.18 is: 9,777.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,395.14 : 17,100.36 = 7,087.18 : x
  2. Step 2: Convert to fraction form
    12,395.14/17,100.36 = 7,087.18/x
  3. Step 3: Cross multiply
    12,395.14x = 17,100.36 × 7,087.18
  4. Step 4: Simplify right side
    12,395.14x = 121,193,329.38
  5. Step 5: Solve for x
    x = 121,193,329.38/12,395.14
  6. Step 6: Final answer
    x = 9,777.49

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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.