Home / 9,018.24-13,516-4,086.40

Finding the Fourth Proportional to 9,018.24, 13,516 and 4,086.40

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Solution

The fourth proportional to 9,018.24, 13,516 and 4,086.40 is: 6,124.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,018.24 : 13,516 = 4,086.40 : x
  2. Step 2: Convert to fraction form
    9,018.24/13,516 = 4,086.40/x
  3. Step 3: Cross multiply
    9,018.24x = 13,516 × 4,086.40
  4. Step 4: Simplify right side
    9,018.24x = 55,231,782.40
  5. Step 5: Solve for x
    x = 55,231,782.40/9,018.24
  6. Step 6: Final answer
    x = 6,124.45

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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.