Home / 14,072.84-21,116.60-10,209.12

Finding the Fourth Proportional to 14,072.84, 21,116.60 and 10,209.12

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Solution

The fourth proportional to 14,072.84, 21,116.60 and 10,209.12 is: 15,319.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,072.84 : 21,116.60 = 10,209.12 : x
  2. Step 2: Convert to fraction form
    14,072.84/21,116.60 = 10,209.12/x
  3. Step 3: Cross multiply
    14,072.84x = 21,116.60 × 10,209.12
  4. Step 4: Simplify right side
    14,072.84x = 215,581,903.39
  5. Step 5: Solve for x
    x = 215,581,903.39/14,072.84
  6. Step 6: Final answer
    x = 15,319.00

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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.