Home / 12,470.35-18,709.04-5,080.11

Finding the Fourth Proportional to 12,470.35, 18,709.04 and 5,080.11

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Solution

The fourth proportional to 12,470.35, 18,709.04 and 5,080.11 is: 7,621.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,470.35 : 18,709.04 = 5,080.11 : x
  2. Step 2: Convert to fraction form
    12,470.35/18,709.04 = 5,080.11/x
  3. Step 3: Cross multiply
    12,470.35x = 18,709.04 × 5,080.11
  4. Step 4: Simplify right side
    12,470.35x = 95,043,955.79
  5. Step 5: Solve for x
    x = 95,043,955.79/12,470.35
  6. Step 6: Final answer
    x = 7,621.60

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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.