Home / 14,296.46-21,433.88-6,389.40

Finding the Fourth Proportional to 14,296.46, 21,433.88 and 6,389.40

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Solution

The fourth proportional to 14,296.46, 21,433.88 and 6,389.40 is: 9,579.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,296.46 : 21,433.88 = 6,389.40 : x
  2. Step 2: Convert to fraction form
    14,296.46/21,433.88 = 6,389.40/x
  3. Step 3: Cross multiply
    14,296.46x = 21,433.88 × 6,389.40
  4. Step 4: Simplify right side
    14,296.46x = 136,949,600.93
  5. Step 5: Solve for x
    x = 136,949,600.93/14,296.46
  6. Step 6: Final answer
    x = 9,579.26

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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.