Home / 10,313.58-15,470.28-2,522.40

Finding the Fourth Proportional to 10,313.58, 15,470.28 and 2,522.40

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Solution

The fourth proportional to 10,313.58, 15,470.28 and 2,522.40 is: 3,783.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,313.58 : 15,470.28 = 2,522.40 : x
  2. Step 2: Convert to fraction form
    10,313.58/15,470.28 = 2,522.40/x
  3. Step 3: Cross multiply
    10,313.58x = 15,470.28 × 2,522.40
  4. Step 4: Simplify right side
    10,313.58x = 39,022,234.27
  5. Step 5: Solve for x
    x = 39,022,234.27/10,313.58
  6. Step 6: Final answer
    x = 3,783.58

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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.