Home / 14,546.08-20,072.80-8,258.40

Finding the Fourth Proportional to 14,546.08, 20,072.80 and 8,258.40

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Solution

The fourth proportional to 14,546.08, 20,072.80 and 8,258.40 is: 11,396.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,546.08 : 20,072.80 = 8,258.40 : x
  2. Step 2: Convert to fraction form
    14,546.08/20,072.80 = 8,258.40/x
  3. Step 3: Cross multiply
    14,546.08x = 20,072.80 × 8,258.40
  4. Step 4: Simplify right side
    14,546.08x = 165,769,211.52
  5. Step 5: Solve for x
    x = 165,769,211.52/14,546.08
  6. Step 6: Final answer
    x = 11,396.14

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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.