Home / 10,017.30-15,021.90-3,441.72

Finding the Fourth Proportional to 10,017.30, 15,021.90 and 3,441.72

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Solution

The fourth proportional to 10,017.30, 15,021.90 and 3,441.72 is: 5,161.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,017.30 : 15,021.90 = 3,441.72 : x
  2. Step 2: Convert to fraction form
    10,017.30/15,021.90 = 3,441.72/x
  3. Step 3: Cross multiply
    10,017.30x = 15,021.90 × 3,441.72
  4. Step 4: Simplify right side
    10,017.30x = 51,701,173.67
  5. Step 5: Solve for x
    x = 51,701,173.67/10,017.30
  6. Step 6: Final answer
    x = 5,161.19

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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.