Home / 10,019.70-15,031.60-3,445.03

Finding the Fourth Proportional to 10,019.70, 15,031.60 and 3,445.03

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Solution

The fourth proportional to 10,019.70, 15,031.60 and 3,445.03 is: 5,168.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,019.70 : 15,031.60 = 3,445.03 : x
  2. Step 2: Convert to fraction form
    10,019.70/15,031.60 = 3,445.03/x
  3. Step 3: Cross multiply
    10,019.70x = 15,031.60 × 3,445.03
  4. Step 4: Simplify right side
    10,019.70x = 51,784,370.69
  5. Step 5: Solve for x
    x = 51,784,370.69/10,019.70
  6. Step 6: Final answer
    x = 5,168.25

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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.