Home / 14,260.32-21,404.25-6,869.88

Finding the Fourth Proportional to 14,260.32, 21,404.25 and 6,869.88

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Solution

The fourth proportional to 14,260.32, 21,404.25 and 6,869.88 is: 10,311.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,260.32 : 21,404.25 = 6,869.88 : x
  2. Step 2: Convert to fraction form
    14,260.32/21,404.25 = 6,869.88/x
  3. Step 3: Cross multiply
    14,260.32x = 21,404.25 × 6,869.88
  4. Step 4: Simplify right side
    14,260.32x = 147,044,628.99
  5. Step 5: Solve for x
    x = 147,044,628.99/14,260.32
  6. Step 6: Final answer
    x = 10,311.45

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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.