Home / 17,160.80-23,680.24-9,708.64

Finding the Fourth Proportional to 17,160.80, 23,680.24 and 9,708.64

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Solution

The fourth proportional to 17,160.80, 23,680.24 and 9,708.64 is: 13,396.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,160.80 : 23,680.24 = 9,708.64 : x
  2. Step 2: Convert to fraction form
    17,160.80/23,680.24 = 9,708.64/x
  3. Step 3: Cross multiply
    17,160.80x = 23,680.24 × 9,708.64
  4. Step 4: Simplify right side
    17,160.80x = 229,902,925.27
  5. Step 5: Solve for x
    x = 229,902,925.27/17,160.80
  6. Step 6: Final answer
    x = 13,396.98

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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.