Home / 11,355.99-17,038.67-5,027.55

Finding the Fourth Proportional to 11,355.99, 17,038.67 and 5,027.55

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Solution

The fourth proportional to 11,355.99, 17,038.67 and 5,027.55 is: 7,543.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,355.99 : 17,038.67 = 5,027.55 : x
  2. Step 2: Convert to fraction form
    11,355.99/17,038.67 = 5,027.55/x
  3. Step 3: Cross multiply
    11,355.99x = 17,038.67 × 5,027.55
  4. Step 4: Simplify right side
    11,355.99x = 85,662,740.22
  5. Step 5: Solve for x
    x = 85,662,740.22/11,355.99
  6. Step 6: Final answer
    x = 7,543.40

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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.