Home / 10,133.25-15,200.56-3,112.83

Finding the Fourth Proportional to 10,133.25, 15,200.56 and 3,112.83

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Solution

The fourth proportional to 10,133.25, 15,200.56 and 3,112.83 is: 4,669.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,133.25 : 15,200.56 = 3,112.83 : x
  2. Step 2: Convert to fraction form
    10,133.25/15,200.56 = 3,112.83/x
  3. Step 3: Cross multiply
    10,133.25x = 15,200.56 × 3,112.83
  4. Step 4: Simplify right side
    10,133.25x = 47,316,763.08
  5. Step 5: Solve for x
    x = 47,316,763.08/10,133.25
  6. Step 6: Final answer
    x = 4,669.45

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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.