Home / 13,150.32-19,726.50-4,385.23

Finding the Fourth Proportional to 13,150.32, 19,726.50 and 4,385.23

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Solution

The fourth proportional to 13,150.32, 19,726.50 and 4,385.23 is: 6,578.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,150.32 : 19,726.50 = 4,385.23 : x
  2. Step 2: Convert to fraction form
    13,150.32/19,726.50 = 4,385.23/x
  3. Step 3: Cross multiply
    13,150.32x = 19,726.50 × 4,385.23
  4. Step 4: Simplify right side
    13,150.32x = 86,505,239.60
  5. Step 5: Solve for x
    x = 86,505,239.60/13,150.32
  6. Step 6: Final answer
    x = 6,578.19

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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.