Home / 14,449.60-21,679.80-5,690.62

Finding the Fourth Proportional to 14,449.60, 21,679.80 and 5,690.62

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Solution

The fourth proportional to 14,449.60, 21,679.80 and 5,690.62 is: 8,538.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,449.60 : 21,679.80 = 5,690.62 : x
  2. Step 2: Convert to fraction form
    14,449.60/21,679.80 = 5,690.62/x
  3. Step 3: Cross multiply
    14,449.60x = 21,679.80 × 5,690.62
  4. Step 4: Simplify right side
    14,449.60x = 123,371,503.48
  5. Step 5: Solve for x
    x = 123,371,503.48/14,449.60
  6. Step 6: Final answer
    x = 8,538.06

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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.