Home / 10,206.87-15,303.34-5,196.93

Finding the Fourth Proportional to 10,206.87, 15,303.34 and 5,196.93

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Solution

The fourth proportional to 10,206.87, 15,303.34 and 5,196.93 is: 7,791.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,206.87 : 15,303.34 = 5,196.93 : x
  2. Step 2: Convert to fraction form
    10,206.87/15,303.34 = 5,196.93/x
  3. Step 3: Cross multiply
    10,206.87x = 15,303.34 × 5,196.93
  4. Step 4: Simplify right side
    10,206.87x = 79,530,386.75
  5. Step 5: Solve for x
    x = 79,530,386.75/10,206.87
  6. Step 6: Final answer
    x = 7,791.85

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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.