Home / 11,006.40-16,521.60-4,437.12

Finding the Fourth Proportional to 11,006.40, 16,521.60 and 4,437.12

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Solution

The fourth proportional to 11,006.40, 16,521.60 and 4,437.12 is: 6,660.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,006.40 : 16,521.60 = 4,437.12 : x
  2. Step 2: Convert to fraction form
    11,006.40/16,521.60 = 4,437.12/x
  3. Step 3: Cross multiply
    11,006.40x = 16,521.60 × 4,437.12
  4. Step 4: Simplify right side
    11,006.40x = 73,308,321.79
  5. Step 5: Solve for x
    x = 73,308,321.79/11,006.40
  6. Step 6: Final answer
    x = 6,660.52

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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.