Home / 10,235.04-15,355.44-3,311.52

Finding the Fourth Proportional to 10,235.04, 15,355.44 and 3,311.52

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Solution

The fourth proportional to 10,235.04, 15,355.44 and 3,311.52 is: 4,968.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,235.04 : 15,355.44 = 3,311.52 : x
  2. Step 2: Convert to fraction form
    10,235.04/15,355.44 = 3,311.52/x
  3. Step 3: Cross multiply
    10,235.04x = 15,355.44 × 3,311.52
  4. Step 4: Simplify right side
    10,235.04x = 50,849,846.67
  5. Step 5: Solve for x
    x = 50,849,846.67/10,235.04
  6. Step 6: Final answer
    x = 4,968.21

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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.