Home / 14,538.10-20,065.80-9,231.91

Finding the Fourth Proportional to 14,538.10, 20,065.80 and 9,231.91

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Solution

The fourth proportional to 14,538.10, 20,065.80 and 9,231.91 is: 12,742.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,538.10 : 20,065.80 = 9,231.91 : x
  2. Step 2: Convert to fraction form
    14,538.10/20,065.80 = 9,231.91/x
  3. Step 3: Cross multiply
    14,538.10x = 20,065.80 × 9,231.91
  4. Step 4: Simplify right side
    14,538.10x = 185,245,659.68
  5. Step 5: Solve for x
    x = 185,245,659.68/14,538.10
  6. Step 6: Final answer
    x = 12,742.08

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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.