Home / 10,206.03-15,309.62-3,187.01

Finding the Fourth Proportional to 10,206.03, 15,309.62 and 3,187.01

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Solution

The fourth proportional to 10,206.03, 15,309.62 and 3,187.01 is: 4,780.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,206.03 : 15,309.62 = 3,187.01 : x
  2. Step 2: Convert to fraction form
    10,206.03/15,309.62 = 3,187.01/x
  3. Step 3: Cross multiply
    10,206.03x = 15,309.62 × 3,187.01
  4. Step 4: Simplify right side
    10,206.03x = 48,791,934.38
  5. Step 5: Solve for x
    x = 48,791,934.38/10,206.03
  6. Step 6: Final answer
    x = 4,780.70

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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.