Home / 10,621.04-15,931.94-2,829.88

Finding the Fourth Proportional to 10,621.04, 15,931.94 and 2,829.88

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Solution

The fourth proportional to 10,621.04, 15,931.94 and 2,829.88 is: 4,244.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,621.04 : 15,931.94 = 2,829.88 : x
  2. Step 2: Convert to fraction form
    10,621.04/15,931.94 = 2,829.88/x
  3. Step 3: Cross multiply
    10,621.04x = 15,931.94 × 2,829.88
  4. Step 4: Simplify right side
    10,621.04x = 45,085,478.37
  5. Step 5: Solve for x
    x = 45,085,478.37/10,621.04
  6. Step 6: Final answer
    x = 4,244.92

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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.