Home / 14,418-21,635.64-6,210

Finding the Fourth Proportional to 14,418, 21,635.64 and 6,210

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Solution

The fourth proportional to 14,418, 21,635.64 and 6,210 is: 9,318.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,418 : 21,635.64 = 6,210 : x
  2. Step 2: Convert to fraction form
    14,418/21,635.64 = 6,210/x
  3. Step 3: Cross multiply
    14,418x = 21,635.64 × 6,210
  4. Step 4: Simplify right side
    14,418x = 134,357,324.40
  5. Step 5: Solve for x
    x = 134,357,324.40/14,418
  6. Step 6: Final answer
    x = 9,318.72

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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.