Home / 17,780.80-24,537.36-9,823.56

Finding the Fourth Proportional to 17,780.80, 24,537.36 and 9,823.56

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Solution

The fourth proportional to 17,780.80, 24,537.36 and 9,823.56 is: 13,556.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,780.80 : 24,537.36 = 9,823.56 : x
  2. Step 2: Convert to fraction form
    17,780.80/24,537.36 = 9,823.56/x
  3. Step 3: Cross multiply
    17,780.80x = 24,537.36 × 9,823.56
  4. Step 4: Simplify right side
    17,780.80x = 241,044,228.20
  5. Step 5: Solve for x
    x = 241,044,228.20/17,780.80
  6. Step 6: Final answer
    x = 13,556.43

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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.