Home / 14,155.16-21,232.63-3,625.16

Finding the Fourth Proportional to 14,155.16, 21,232.63 and 3,625.16

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Solution

The fourth proportional to 14,155.16, 21,232.63 and 3,625.16 is: 5,437.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,155.16 : 21,232.63 = 3,625.16 : x
  2. Step 2: Convert to fraction form
    14,155.16/21,232.63 = 3,625.16/x
  3. Step 3: Cross multiply
    14,155.16x = 21,232.63 × 3,625.16
  4. Step 4: Simplify right side
    14,155.16x = 76,971,579.34
  5. Step 5: Solve for x
    x = 76,971,579.34/14,155.16
  6. Step 6: Final answer
    x = 5,437.71

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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.