Home / 11,223.64-16,829.52-3,430.36

Finding the Fourth Proportional to 11,223.64, 16,829.52 and 3,430.36

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Solution

The fourth proportional to 11,223.64, 16,829.52 and 3,430.36 is: 5,143.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,223.64 : 16,829.52 = 3,430.36 : x
  2. Step 2: Convert to fraction form
    11,223.64/16,829.52 = 3,430.36/x
  3. Step 3: Cross multiply
    11,223.64x = 16,829.52 × 3,430.36
  4. Step 4: Simplify right side
    11,223.64x = 57,731,312.23
  5. Step 5: Solve for x
    x = 57,731,312.23/11,223.64
  6. Step 6: Final answer
    x = 5,143.72

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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.