Home / 10,103.83-15,155.80-3,525.40

Finding the Fourth Proportional to 10,103.83, 15,155.80 and 3,525.40

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Solution

The fourth proportional to 10,103.83, 15,155.80 and 3,525.40 is: 5,288.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,103.83 : 15,155.80 = 3,525.40 : x
  2. Step 2: Convert to fraction form
    10,103.83/15,155.80 = 3,525.40/x
  3. Step 3: Cross multiply
    10,103.83x = 15,155.80 × 3,525.40
  4. Step 4: Simplify right side
    10,103.83x = 53,430,219.87
  5. Step 5: Solve for x
    x = 53,430,219.87/10,103.83
  6. Step 6: Final answer
    x = 5,288.12

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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.