Home / 14,181.60-21,246.80-11,570.40

Finding the Fourth Proportional to 14,181.60, 21,246.80 and 11,570.40

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Solution

The fourth proportional to 14,181.60, 21,246.80 and 11,570.40 is: 17,334.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,181.60 : 21,246.80 = 11,570.40 : x
  2. Step 2: Convert to fraction form
    14,181.60/21,246.80 = 11,570.40/x
  3. Step 3: Cross multiply
    14,181.60x = 21,246.80 × 11,570.40
  4. Step 4: Simplify right side
    14,181.60x = 245,833,974.72
  5. Step 5: Solve for x
    x = 245,833,974.72/14,181.60
  6. Step 6: Final answer
    x = 17,334.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.