Home / 14,414.52-21,608.88-5,655.56

Finding the Fourth Proportional to 14,414.52, 21,608.88 and 5,655.56

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Solution

The fourth proportional to 14,414.52, 21,608.88 and 5,655.56 is: 8,478.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,414.52 : 21,608.88 = 5,655.56 : x
  2. Step 2: Convert to fraction form
    14,414.52/21,608.88 = 5,655.56/x
  3. Step 3: Cross multiply
    14,414.52x = 21,608.88 × 5,655.56
  4. Step 4: Simplify right side
    14,414.52x = 122,210,317.37
  5. Step 5: Solve for x
    x = 122,210,317.37/14,414.52
  6. Step 6: Final answer
    x = 8,478.28

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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.