Home / 10,417.40-15,627.62-3,021.90

Finding the Fourth Proportional to 10,417.40, 15,627.62 and 3,021.90

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Solution

The fourth proportional to 10,417.40, 15,627.62 and 3,021.90 is: 4,533.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,417.40 : 15,627.62 = 3,021.90 : x
  2. Step 2: Convert to fraction form
    10,417.40/15,627.62 = 3,021.90/x
  3. Step 3: Cross multiply
    10,417.40x = 15,627.62 × 3,021.90
  4. Step 4: Simplify right side
    10,417.40x = 47,225,104.88
  5. Step 5: Solve for x
    x = 47,225,104.88/10,417.40
  6. Step 6: Final answer
    x = 4,533.29

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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.