Home / 9,621.16-14,432.57-3,380.63

Finding the Fourth Proportional to 9,621.16, 14,432.57 and 3,380.63

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Solution

The fourth proportional to 9,621.16, 14,432.57 and 3,380.63 is: 5,071.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,621.16 : 14,432.57 = 3,380.63 : x
  2. Step 2: Convert to fraction form
    9,621.16/14,432.57 = 3,380.63/x
  3. Step 3: Cross multiply
    9,621.16x = 14,432.57 × 3,380.63
  4. Step 4: Simplify right side
    9,621.16x = 48,791,179.12
  5. Step 5: Solve for x
    x = 48,791,179.12/9,621.16
  6. Step 6: Final answer
    x = 5,071.24

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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.