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Finding the Fourth Proportional to 12,365.14, 17,065.62 and 7,060.26

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Solution

The fourth proportional to 12,365.14, 17,065.62 and 7,060.26 is: 9,744.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,365.14 : 17,065.62 = 7,060.26 : x
  2. Step 2: Convert to fraction form
    12,365.14/17,065.62 = 7,060.26/x
  3. Step 3: Cross multiply
    12,365.14x = 17,065.62 × 7,060.26
  4. Step 4: Simplify right side
    12,365.14x = 120,487,714.26
  5. Step 5: Solve for x
    x = 120,487,714.26/12,365.14
  6. Step 6: Final answer
    x = 9,744.14

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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.