Home / 20,792.04-31,188.06-10,398.12

Finding the Fourth Proportional to 20,792.04, 31,188.06 and 10,398.12

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Solution

The fourth proportional to 20,792.04, 31,188.06 and 10,398.12 is: 15,597.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,792.04 : 31,188.06 = 10,398.12 : x
  2. Step 2: Convert to fraction form
    20,792.04/31,188.06 = 10,398.12/x
  3. Step 3: Cross multiply
    20,792.04x = 31,188.06 × 10,398.12
  4. Step 4: Simplify right side
    20,792.04x = 324,297,190.45
  5. Step 5: Solve for x
    x = 324,297,190.45/20,792.04
  6. Step 6: Final answer
    x = 15,597.18

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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.