Home / 18,655.54-25,777.42-14,909.63

Finding the Fourth Proportional to 18,655.54, 25,777.42 and 14,909.63

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Solution

The fourth proportional to 18,655.54, 25,777.42 and 14,909.63 is: 20,601.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,655.54 : 25,777.42 = 14,909.63 : x
  2. Step 2: Convert to fraction form
    18,655.54/25,777.42 = 14,909.63/x
  3. Step 3: Cross multiply
    18,655.54x = 25,777.42 × 14,909.63
  4. Step 4: Simplify right side
    18,655.54x = 384,331,628.39
  5. Step 5: Solve for x
    x = 384,331,628.39/18,655.54
  6. Step 6: Final answer
    x = 20,601.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.