Home / 12,192.16-18,270.57-5,162.47

Finding the Fourth Proportional to 12,192.16, 18,270.57 and 5,162.47

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Solution

The fourth proportional to 12,192.16, 18,270.57 and 5,162.47 is: 7,736.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,192.16 : 18,270.57 = 5,162.47 : x
  2. Step 2: Convert to fraction form
    12,192.16/18,270.57 = 5,162.47/x
  3. Step 3: Cross multiply
    12,192.16x = 18,270.57 × 5,162.47
  4. Step 4: Simplify right side
    12,192.16x = 94,321,269.51
  5. Step 5: Solve for x
    x = 94,321,269.51/12,192.16
  6. Step 6: Final answer
    x = 7,736.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.