Home / 12,670.67-17,486.60-7,365.14

Finding the Fourth Proportional to 12,670.67, 17,486.60 and 7,365.14

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Solution

The fourth proportional to 12,670.67, 17,486.60 and 7,365.14 is: 10,164.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,670.67 : 17,486.60 = 7,365.14 : x
  2. Step 2: Convert to fraction form
    12,670.67/17,486.60 = 7,365.14/x
  3. Step 3: Cross multiply
    12,670.67x = 17,486.60 × 7,365.14
  4. Step 4: Simplify right side
    12,670.67x = 128,791,132.87
  5. Step 5: Solve for x
    x = 128,791,132.87/12,670.67
  6. Step 6: Final answer
    x = 10,164.51

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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.