Home / 14,507.40-21,768.30-5,742.60

Finding the Fourth Proportional to 14,507.40, 21,768.30 and 5,742.60

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Solution

The fourth proportional to 14,507.40, 21,768.30 and 5,742.60 is: 8,616.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,507.40 : 21,768.30 = 5,742.60 : x
  2. Step 2: Convert to fraction form
    14,507.40/21,768.30 = 5,742.60/x
  3. Step 3: Cross multiply
    14,507.40x = 21,768.30 × 5,742.60
  4. Step 4: Simplify right side
    14,507.40x = 125,006,639.58
  5. Step 5: Solve for x
    x = 125,006,639.58/14,507.40
  6. Step 6: Final answer
    x = 8,616.75

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