Home / 14,319.11-21,465.70-5,082.95

Finding the Fourth Proportional to 14,319.11, 21,465.70 and 5,082.95

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Solution

The fourth proportional to 14,319.11, 21,465.70 and 5,082.95 is: 7,619.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,319.11 : 21,465.70 = 5,082.95 : x
  2. Step 2: Convert to fraction form
    14,319.11/21,465.70 = 5,082.95/x
  3. Step 3: Cross multiply
    14,319.11x = 21,465.70 × 5,082.95
  4. Step 4: Simplify right side
    14,319.11x = 109,109,079.82
  5. Step 5: Solve for x
    x = 109,109,079.82/14,319.11
  6. Step 6: Final answer
    x = 7,619.82

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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.