Home / 14,288.21-21,432.31-6,499.25

Finding the Fourth Proportional to 14,288.21, 21,432.31 and 6,499.25

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Solution

The fourth proportional to 14,288.21, 21,432.31 and 6,499.25 is: 9,748.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,288.21 : 21,432.31 = 6,499.25 : x
  2. Step 2: Convert to fraction form
    14,288.21/21,432.31 = 6,499.25/x
  3. Step 3: Cross multiply
    14,288.21x = 21,432.31 × 6,499.25
  4. Step 4: Simplify right side
    14,288.21x = 139,293,940.77
  5. Step 5: Solve for x
    x = 139,293,940.77/14,288.21
  6. Step 6: Final answer
    x = 9,748.87

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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.