Home / 10,303.13-15,456.18-3,187.92

Finding the Fourth Proportional to 10,303.13, 15,456.18 and 3,187.92

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Solution

The fourth proportional to 10,303.13, 15,456.18 and 3,187.92 is: 4,782.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,303.13 : 15,456.18 = 3,187.92 : x
  2. Step 2: Convert to fraction form
    10,303.13/15,456.18 = 3,187.92/x
  3. Step 3: Cross multiply
    10,303.13x = 15,456.18 × 3,187.92
  4. Step 4: Simplify right side
    10,303.13x = 49,273,065.35
  5. Step 5: Solve for x
    x = 49,273,065.35/10,303.13
  6. Step 6: Final answer
    x = 4,782.34

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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.