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Finding the Fourth Proportional to 13,005, 17,946.92 and 7,036.65

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Solution

The fourth proportional to 13,005, 17,946.92 and 7,036.65 is: 9,710.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,005 : 17,946.92 = 7,036.65 : x
  2. Step 2: Convert to fraction form
    13,005/17,946.92 = 7,036.65/x
  3. Step 3: Cross multiply
    13,005x = 17,946.92 × 7,036.65
  4. Step 4: Simplify right side
    13,005x = 126,286,159.43
  5. Step 5: Solve for x
    x = 126,286,159.43/13,005
  6. Step 6: Final answer
    x = 9,710.59

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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.