Home / 12,306.53-16,982.80-7,001.24

Finding the Fourth Proportional to 12,306.53, 16,982.80 and 7,001.24

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Solution

The fourth proportional to 12,306.53, 16,982.80 and 7,001.24 is: 9,661.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,306.53 : 16,982.80 = 7,001.24 : x
  2. Step 2: Convert to fraction form
    12,306.53/16,982.80 = 7,001.24/x
  3. Step 3: Cross multiply
    12,306.53x = 16,982.80 × 7,001.24
  4. Step 4: Simplify right side
    12,306.53x = 118,900,556.25
  5. Step 5: Solve for x
    x = 118,900,556.25/12,306.53
  6. Step 6: Final answer
    x = 9,661.58

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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.