Home / 14,534.08-20,018.83-11,170.47

Finding the Fourth Proportional to 14,534.08, 20,018.83 and 11,170.47

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Solution

The fourth proportional to 14,534.08, 20,018.83 and 11,170.47 is: 15,385.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,534.08 : 20,018.83 = 11,170.47 : x
  2. Step 2: Convert to fraction form
    14,534.08/20,018.83 = 11,170.47/x
  3. Step 3: Cross multiply
    14,534.08x = 20,018.83 × 11,170.47
  4. Step 4: Simplify right side
    14,534.08x = 223,619,739.95
  5. Step 5: Solve for x
    x = 223,619,739.95/14,534.08
  6. Step 6: Final answer
    x = 15,385.89

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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.