Home / 10,230.09-15,339.06-3,208.20

Finding the Fourth Proportional to 10,230.09, 15,339.06 and 3,208.20

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Solution

The fourth proportional to 10,230.09, 15,339.06 and 3,208.20 is: 4,810.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,230.09 : 15,339.06 = 3,208.20 : x
  2. Step 2: Convert to fraction form
    10,230.09/15,339.06 = 3,208.20/x
  3. Step 3: Cross multiply
    10,230.09x = 15,339.06 × 3,208.20
  4. Step 4: Simplify right side
    10,230.09x = 49,210,772.29
  5. Step 5: Solve for x
    x = 49,210,772.29/10,230.09
  6. Step 6: Final answer
    x = 4,810.39

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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.