Home / 10,219.24-15,329.94-4,374.28

Finding the Fourth Proportional to 10,219.24, 15,329.94 and 4,374.28

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Solution

The fourth proportional to 10,219.24, 15,329.94 and 4,374.28 is: 6,561.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,219.24 : 15,329.94 = 4,374.28 : x
  2. Step 2: Convert to fraction form
    10,219.24/15,329.94 = 4,374.28/x
  3. Step 3: Cross multiply
    10,219.24x = 15,329.94 × 4,374.28
  4. Step 4: Simplify right side
    10,219.24x = 67,057,449.94
  5. Step 5: Solve for x
    x = 67,057,449.94/10,219.24
  6. Step 6: Final answer
    x = 6,561.88

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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.