Home / 20,192.56-30,292.89-7,712.62

Finding the Fourth Proportional to 20,192.56, 30,292.89 and 7,712.62

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Solution

The fourth proportional to 20,192.56, 30,292.89 and 7,712.62 is: 11,570.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,192.56 : 30,292.89 = 7,712.62 : x
  2. Step 2: Convert to fraction form
    20,192.56/30,292.89 = 7,712.62/x
  3. Step 3: Cross multiply
    20,192.56x = 30,292.89 × 7,712.62
  4. Step 4: Simplify right side
    20,192.56x = 233,637,549.27
  5. Step 5: Solve for x
    x = 233,637,549.27/20,192.56
  6. Step 6: Final answer
    x = 11,570.48

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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.