Home / 14,304.32-21,454-3,913.60

Finding the Fourth Proportional to 14,304.32, 21,454 and 3,913.60

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Solution

The fourth proportional to 14,304.32, 21,454 and 3,913.60 is: 5,869.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,304.32 : 21,454 = 3,913.60 : x
  2. Step 2: Convert to fraction form
    14,304.32/21,454 = 3,913.60/x
  3. Step 3: Cross multiply
    14,304.32x = 21,454 × 3,913.60
  4. Step 4: Simplify right side
    14,304.32x = 83,962,374.40
  5. Step 5: Solve for x
    x = 83,962,374.40/14,304.32
  6. Step 6: Final answer
    x = 5,869.72

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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.