Home / 14,874.12-20,525.40-8,158.56

Finding the Fourth Proportional to 14,874.12, 20,525.40 and 8,158.56

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Solution

The fourth proportional to 14,874.12, 20,525.40 and 8,158.56 is: 11,258.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,874.12 : 20,525.40 = 8,158.56 : x
  2. Step 2: Convert to fraction form
    14,874.12/20,525.40 = 8,158.56/x
  3. Step 3: Cross multiply
    14,874.12x = 20,525.40 × 8,158.56
  4. Step 4: Simplify right side
    14,874.12x = 167,457,707.42
  5. Step 5: Solve for x
    x = 167,457,707.42/14,874.12
  6. Step 6: Final answer
    x = 11,258.33

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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.