Home / 13,837.47-20,777.10-11,055.88

Finding the Fourth Proportional to 13,837.47, 20,777.10 and 11,055.88

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Solution

The fourth proportional to 13,837.47, 20,777.10 and 11,055.88 is: 16,600.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,837.47 : 20,777.10 = 11,055.88 : x
  2. Step 2: Convert to fraction form
    13,837.47/20,777.10 = 11,055.88/x
  3. Step 3: Cross multiply
    13,837.47x = 20,777.10 × 11,055.88
  4. Step 4: Simplify right side
    13,837.47x = 229,709,124.35
  5. Step 5: Solve for x
    x = 229,709,124.35/13,837.47
  6. Step 6: Final answer
    x = 16,600.51

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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.