Home / 11,322.48-16,982.88-4,748.40

Finding the Fourth Proportional to 11,322.48, 16,982.88 and 4,748.40

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Solution

The fourth proportional to 11,322.48, 16,982.88 and 4,748.40 is: 7,122.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,322.48 : 16,982.88 = 4,748.40 : x
  2. Step 2: Convert to fraction form
    11,322.48/16,982.88 = 4,748.40/x
  3. Step 3: Cross multiply
    11,322.48x = 16,982.88 × 4,748.40
  4. Step 4: Simplify right side
    11,322.48x = 80,641,507.39
  5. Step 5: Solve for x
    x = 80,641,507.39/11,322.48
  6. Step 6: Final answer
    x = 7,122.25

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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.