Home / 10,658.35-15,993.60-7,373.80

Finding the Fourth Proportional to 10,658.35, 15,993.60 and 7,373.80

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Solution

The fourth proportional to 10,658.35, 15,993.60 and 7,373.80 is: 11,064.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,658.35 : 15,993.60 = 7,373.80 : x
  2. Step 2: Convert to fraction form
    10,658.35/15,993.60 = 7,373.80/x
  3. Step 3: Cross multiply
    10,658.35x = 15,993.60 × 7,373.80
  4. Step 4: Simplify right side
    10,658.35x = 117,933,607.68
  5. Step 5: Solve for x
    x = 117,933,607.68/10,658.35
  6. Step 6: Final answer
    x = 11,064.90

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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.