Home / 11,105.60-16,658.40-3,710.30

Finding the Fourth Proportional to 11,105.60, 16,658.40 and 3,710.30

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Solution

The fourth proportional to 11,105.60, 16,658.40 and 3,710.30 is: 5,565.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,105.60 : 16,658.40 = 3,710.30 : x
  2. Step 2: Convert to fraction form
    11,105.60/16,658.40 = 3,710.30/x
  3. Step 3: Cross multiply
    11,105.60x = 16,658.40 × 3,710.30
  4. Step 4: Simplify right side
    11,105.60x = 61,807,661.52
  5. Step 5: Solve for x
    x = 61,807,661.52/11,105.60
  6. Step 6: Final answer
    x = 5,565.45

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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.