Home / 12,697.04-17,521.92-7,108

Finding the Fourth Proportional to 12,697.04, 17,521.92 and 7,108

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Solution

The fourth proportional to 12,697.04, 17,521.92 and 7,108 is: 9,809.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,697.04 : 17,521.92 = 7,108 : x
  2. Step 2: Convert to fraction form
    12,697.04/17,521.92 = 7,108/x
  3. Step 3: Cross multiply
    12,697.04x = 17,521.92 × 7,108
  4. Step 4: Simplify right side
    12,697.04x = 124,545,807.36
  5. Step 5: Solve for x
    x = 124,545,807.36/12,697.04
  6. Step 6: Final answer
    x = 9,809.04

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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.