Home / 10,230.75-15,342.75-3,303.63

Finding the Fourth Proportional to 10,230.75, 15,342.75 and 3,303.63

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Solution

The fourth proportional to 10,230.75, 15,342.75 and 3,303.63 is: 4,954.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,230.75 : 15,342.75 = 3,303.63 : x
  2. Step 2: Convert to fraction form
    10,230.75/15,342.75 = 3,303.63/x
  3. Step 3: Cross multiply
    10,230.75x = 15,342.75 × 3,303.63
  4. Step 4: Simplify right side
    10,230.75x = 50,686,769.18
  5. Step 5: Solve for x
    x = 50,686,769.18/10,230.75
  6. Step 6: Final answer
    x = 4,954.36

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1.5x scale

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.