Home / 10,189.70-15,281.10-3,614.94

Finding the Fourth Proportional to 10,189.70, 15,281.10 and 3,614.94

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Solution

The fourth proportional to 10,189.70, 15,281.10 and 3,614.94 is: 5,421.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,189.70 : 15,281.10 = 3,614.94 : x
  2. Step 2: Convert to fraction form
    10,189.70/15,281.10 = 3,614.94/x
  3. Step 3: Cross multiply
    10,189.70x = 15,281.10 × 3,614.94
  4. Step 4: Simplify right side
    10,189.70x = 55,240,259.63
  5. Step 5: Solve for x
    x = 55,240,259.63/10,189.70
  6. Step 6: Final answer
    x = 5,421.19

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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.