Home / 17,738.20-24,477.60-9,780.49

Finding the Fourth Proportional to 17,738.20, 24,477.60 and 9,780.49

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Solution

The fourth proportional to 17,738.20, 24,477.60 and 9,780.49 is: 13,496.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,738.20 : 24,477.60 = 9,780.49 : x
  2. Step 2: Convert to fraction form
    17,738.20/24,477.60 = 9,780.49/x
  3. Step 3: Cross multiply
    17,738.20x = 24,477.60 × 9,780.49
  4. Step 4: Simplify right side
    17,738.20x = 239,402,922.02
  5. Step 5: Solve for x
    x = 239,402,922.02/17,738.20
  6. Step 6: Final answer
    x = 13,496.46

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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.