Home / 12,386.06-17,087.18-7,350.49

Finding the Fourth Proportional to 12,386.06, 17,087.18 and 7,350.49

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Solution

The fourth proportional to 12,386.06, 17,087.18 and 7,350.49 is: 10,140.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,386.06 : 17,087.18 = 7,350.49 : x
  2. Step 2: Convert to fraction form
    12,386.06/17,087.18 = 7,350.49/x
  3. Step 3: Cross multiply
    12,386.06x = 17,087.18 × 7,350.49
  4. Step 4: Simplify right side
    12,386.06x = 125,599,066.25
  5. Step 5: Solve for x
    x = 125,599,066.25/12,386.06
  6. Step 6: Final answer
    x = 10,140.36

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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.