Home / 17,928.40-24,738.78-9,969.09

Finding the Fourth Proportional to 17,928.40, 24,738.78 and 9,969.09

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Solution

The fourth proportional to 17,928.40, 24,738.78 and 9,969.09 is: 13,756.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,928.40 : 24,738.78 = 9,969.09 : x
  2. Step 2: Convert to fraction form
    17,928.40/24,738.78 = 9,969.09/x
  3. Step 3: Cross multiply
    17,928.40x = 24,738.78 × 9,969.09
  4. Step 4: Simplify right side
    17,928.40x = 246,623,124.31
  5. Step 5: Solve for x
    x = 246,623,124.31/17,928.40
  6. Step 6: Final answer
    x = 13,756.00

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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.