Home / 11,035.40-16,538.70-4,456.20

Finding the Fourth Proportional to 11,035.40, 16,538.70 and 4,456.20

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Solution

The fourth proportional to 11,035.40, 16,538.70 and 4,456.20 is: 6,678.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,035.40 : 16,538.70 = 4,456.20 : x
  2. Step 2: Convert to fraction form
    11,035.40/16,538.70 = 4,456.20/x
  3. Step 3: Cross multiply
    11,035.40x = 16,538.70 × 4,456.20
  4. Step 4: Simplify right side
    11,035.40x = 73,699,754.94
  5. Step 5: Solve for x
    x = 73,699,754.94/11,035.40
  6. Step 6: Final answer
    x = 6,678.49

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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.