Home / 17,928.84-24,739.90-9,969.78

Finding the Fourth Proportional to 17,928.84, 24,739.90 and 9,969.78

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Solution

The fourth proportional to 17,928.84, 24,739.90 and 9,969.78 is: 13,757.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,928.84 : 24,739.90 = 9,969.78 : x
  2. Step 2: Convert to fraction form
    17,928.84/24,739.90 = 9,969.78/x
  3. Step 3: Cross multiply
    17,928.84x = 24,739.90 × 9,969.78
  4. Step 4: Simplify right side
    17,928.84x = 246,651,360.22
  5. Step 5: Solve for x
    x = 246,651,360.22/17,928.84
  6. Step 6: Final answer
    x = 13,757.24

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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.