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Finding the Fourth Proportional to 17,013.65, 23,479.64 and 9,460.77

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Solution

The fourth proportional to 17,013.65, 23,479.64 and 9,460.77 is: 13,056.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,013.65 : 23,479.64 = 9,460.77 : x
  2. Step 2: Convert to fraction form
    17,013.65/23,479.64 = 9,460.77/x
  3. Step 3: Cross multiply
    17,013.65x = 23,479.64 × 9,460.77
  4. Step 4: Simplify right side
    17,013.65x = 222,135,373.85
  5. Step 5: Solve for x
    x = 222,135,373.85/17,013.65
  6. Step 6: Final answer
    x = 13,056.31

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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.