Home / 10,621.70-15,934.08-3,602.33

Finding the Fourth Proportional to 10,621.70, 15,934.08 and 3,602.33

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Solution

The fourth proportional to 10,621.70, 15,934.08 and 3,602.33 is: 5,404.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,621.70 : 15,934.08 = 3,602.33 : x
  2. Step 2: Convert to fraction form
    10,621.70/15,934.08 = 3,602.33/x
  3. Step 3: Cross multiply
    10,621.70x = 15,934.08 × 3,602.33
  4. Step 4: Simplify right side
    10,621.70x = 57,399,814.41
  5. Step 5: Solve for x
    x = 57,399,814.41/10,621.70
  6. Step 6: Final answer
    x = 5,404.01

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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.