Home / 10,428.04-15,643.50-3,504.52

Finding the Fourth Proportional to 10,428.04, 15,643.50 and 3,504.52

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Solution

The fourth proportional to 10,428.04, 15,643.50 and 3,504.52 is: 5,257.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,428.04 : 15,643.50 = 3,504.52 : x
  2. Step 2: Convert to fraction form
    10,428.04/15,643.50 = 3,504.52/x
  3. Step 3: Cross multiply
    10,428.04x = 15,643.50 × 3,504.52
  4. Step 4: Simplify right side
    10,428.04x = 54,822,958.62
  5. Step 5: Solve for x
    x = 54,822,958.62/10,428.04
  6. Step 6: Final answer
    x = 5,257.26

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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.