Home / 12,717.58-19,051.77-7,154.02

Finding the Fourth Proportional to 12,717.58, 19,051.77 and 7,154.02

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Solution

The fourth proportional to 12,717.58, 19,051.77 and 7,154.02 is: 10,717.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,717.58 : 19,051.77 = 7,154.02 : x
  2. Step 2: Convert to fraction form
    12,717.58/19,051.77 = 7,154.02/x
  3. Step 3: Cross multiply
    12,717.58x = 19,051.77 × 7,154.02
  4. Step 4: Simplify right side
    12,717.58x = 136,296,743.62
  5. Step 5: Solve for x
    x = 136,296,743.62/12,717.58
  6. Step 6: Final answer
    x = 10,717.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.