Home / 14,318.73-21,465.14-5,082.57

Finding the Fourth Proportional to 14,318.73, 21,465.14 and 5,082.57

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Solution

The fourth proportional to 14,318.73, 21,465.14 and 5,082.57 is: 7,619.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,318.73 : 21,465.14 = 5,082.57 : x
  2. Step 2: Convert to fraction form
    14,318.73/21,465.14 = 5,082.57/x
  3. Step 3: Cross multiply
    14,318.73x = 21,465.14 × 5,082.57
  4. Step 4: Simplify right side
    14,318.73x = 109,098,051.20
  5. Step 5: Solve for x
    x = 109,098,051.20/14,318.73
  6. Step 6: Final answer
    x = 7,619.25

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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.