Home / 9,043.36-13,570.40-4,112.88

Finding the Fourth Proportional to 9,043.36, 13,570.40 and 4,112.88

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Solution

The fourth proportional to 9,043.36, 13,570.40 and 4,112.88 is: 6,171.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,043.36 : 13,570.40 = 4,112.88 : x
  2. Step 2: Convert to fraction form
    9,043.36/13,570.40 = 4,112.88/x
  3. Step 3: Cross multiply
    9,043.36x = 13,570.40 × 4,112.88
  4. Step 4: Simplify right side
    9,043.36x = 55,813,426.75
  5. Step 5: Solve for x
    x = 55,813,426.75/9,043.36
  6. Step 6: Final answer
    x = 6,171.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.