Home / 10,219.65-15,334.04-4,958.70

Finding the Fourth Proportional to 10,219.65, 15,334.04 and 4,958.70

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Solution

The fourth proportional to 10,219.65, 15,334.04 and 4,958.70 is: 7,440.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,219.65 : 15,334.04 = 4,958.70 : x
  2. Step 2: Convert to fraction form
    10,219.65/15,334.04 = 4,958.70/x
  3. Step 3: Cross multiply
    10,219.65x = 15,334.04 × 4,958.70
  4. Step 4: Simplify right side
    10,219.65x = 76,036,879.35
  5. Step 5: Solve for x
    x = 76,036,879.35/10,219.65
  6. Step 6: Final answer
    x = 7,440.26

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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.