Home / 14,318.61-21,464.95-5,082.45

Finding the Fourth Proportional to 14,318.61, 21,464.95 and 5,082.45

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Solution

The fourth proportional to 14,318.61, 21,464.95 and 5,082.45 is: 7,619.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,318.61 : 21,464.95 = 5,082.45 : x
  2. Step 2: Convert to fraction form
    14,318.61/21,464.95 = 5,082.45/x
  3. Step 3: Cross multiply
    14,318.61x = 21,464.95 × 5,082.45
  4. Step 4: Simplify right side
    14,318.61x = 109,094,535.13
  5. Step 5: Solve for x
    x = 109,094,535.13/14,318.61
  6. Step 6: Final answer
    x = 7,619.07

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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.