Home / 16,728.12-23,084.04-10,009.68

Finding the Fourth Proportional to 16,728.12, 23,084.04 and 10,009.68

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Solution

The fourth proportional to 16,728.12, 23,084.04 and 10,009.68 is: 13,812.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,728.12 : 23,084.04 = 10,009.68 : x
  2. Step 2: Convert to fraction form
    16,728.12/23,084.04 = 10,009.68/x
  3. Step 3: Cross multiply
    16,728.12x = 23,084.04 × 10,009.68
  4. Step 4: Simplify right side
    16,728.12x = 231,063,853.51
  5. Step 5: Solve for x
    x = 231,063,853.51/16,728.12
  6. Step 6: Final answer
    x = 13,812.90

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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.