Home / 10,356.30-15,522.30-3,778.29

Finding the Fourth Proportional to 10,356.30, 15,522.30 and 3,778.29

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Solution

The fourth proportional to 10,356.30, 15,522.30 and 3,778.29 is: 5,663.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,356.30 : 15,522.30 = 3,778.29 : x
  2. Step 2: Convert to fraction form
    10,356.30/15,522.30 = 3,778.29/x
  3. Step 3: Cross multiply
    10,356.30x = 15,522.30 × 3,778.29
  4. Step 4: Simplify right side
    10,356.30x = 58,647,750.87
  5. Step 5: Solve for x
    x = 58,647,750.87/10,356.30
  6. Step 6: Final answer
    x = 5,663.00

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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.