Home / 17,187.39-23,707.08-11,220.53

Finding the Fourth Proportional to 17,187.39, 23,707.08 and 11,220.53

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Solution

The fourth proportional to 17,187.39, 23,707.08 and 11,220.53 is: 15,476.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,187.39 : 23,707.08 = 11,220.53 : x
  2. Step 2: Convert to fraction form
    17,187.39/23,707.08 = 11,220.53/x
  3. Step 3: Cross multiply
    17,187.39x = 23,707.08 × 11,220.53
  4. Step 4: Simplify right side
    17,187.39x = 266,005,883.82
  5. Step 5: Solve for x
    x = 266,005,883.82/17,187.39
  6. Step 6: Final answer
    x = 15,476.81

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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.