Home / 14,081.60-21,219.26-11,670.68

Finding the Fourth Proportional to 14,081.60, 21,219.26 and 11,670.68

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Solution

The fourth proportional to 14,081.60, 21,219.26 and 11,670.68 is: 17,586.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,081.60 : 21,219.26 = 11,670.68 : x
  2. Step 2: Convert to fraction form
    14,081.60/21,219.26 = 11,670.68/x
  3. Step 3: Cross multiply
    14,081.60x = 21,219.26 × 11,670.68
  4. Step 4: Simplify right side
    14,081.60x = 247,643,193.30
  5. Step 5: Solve for x
    x = 247,643,193.30/14,081.60
  6. Step 6: Final answer
    x = 17,586.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.