Home / 10,621.06-15,931.35-2,723.49

Finding the Fourth Proportional to 10,621.06, 15,931.35 and 2,723.49

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Solution

The fourth proportional to 10,621.06, 15,931.35 and 2,723.49 is: 4,085.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,621.06 : 15,931.35 = 2,723.49 : x
  2. Step 2: Convert to fraction form
    10,621.06/15,931.35 = 2,723.49/x
  3. Step 3: Cross multiply
    10,621.06x = 15,931.35 × 2,723.49
  4. Step 4: Simplify right side
    10,621.06x = 43,388,872.41
  5. Step 5: Solve for x
    x = 43,388,872.41/10,621.06
  6. Step 6: Final answer
    x = 4,085.17

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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.