Home / 14,155.05-21,232.52-3,625.05

Finding the Fourth Proportional to 14,155.05, 21,232.52 and 3,625.05

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Solution

The fourth proportional to 14,155.05, 21,232.52 and 3,625.05 is: 5,437.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,155.05 : 21,232.52 = 3,625.05 : x
  2. Step 2: Convert to fraction form
    14,155.05/21,232.52 = 3,625.05/x
  3. Step 3: Cross multiply
    14,155.05x = 21,232.52 × 3,625.05
  4. Step 4: Simplify right side
    14,155.05x = 76,968,928.50
  5. Step 5: Solve for x
    x = 76,968,928.50/14,155.05
  6. Step 6: Final answer
    x = 5,437.56

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1.5x scale

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.