Home / 10,440.90-15,662.13-3,045.42

Finding the Fourth Proportional to 10,440.90, 15,662.13 and 3,045.42

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Solution

The fourth proportional to 10,440.90, 15,662.13 and 3,045.42 is: 4,568.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,440.90 : 15,662.13 = 3,045.42 : x
  2. Step 2: Convert to fraction form
    10,440.90/15,662.13 = 3,045.42/x
  3. Step 3: Cross multiply
    10,440.90x = 15,662.13 × 3,045.42
  4. Step 4: Simplify right side
    10,440.90x = 47,697,763.94
  5. Step 5: Solve for x
    x = 47,697,763.94/10,440.90
  6. Step 6: Final answer
    x = 4,568.36

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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.