Home / 14,584.05-20,115.30-9,540.18

Finding the Fourth Proportional to 14,584.05, 20,115.30 and 9,540.18

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Solution

The fourth proportional to 14,584.05, 20,115.30 and 9,540.18 is: 13,158.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,584.05 : 20,115.30 = 9,540.18 : x
  2. Step 2: Convert to fraction form
    14,584.05/20,115.30 = 9,540.18/x
  3. Step 3: Cross multiply
    14,584.05x = 20,115.30 × 9,540.18
  4. Step 4: Simplify right side
    14,584.05x = 191,903,582.75
  5. Step 5: Solve for x
    x = 191,903,582.75/14,584.05
  6. Step 6: Final answer
    x = 13,158.46

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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.